<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1684-1859</journal-id>
<journal-title><![CDATA[Revista Cubana de Informática Médica]]></journal-title>
<abbrev-journal-title><![CDATA[RCIM]]></abbrev-journal-title>
<issn>1684-1859</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Médicas de La Habana]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1684-18592019000200003</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Relationship of Age with Spectral Components of Noise-Free Realizations of Photoplethysmographic Signals: Outcomes of a Nonlinear Identification Approach]]></article-title>
<article-title xml:lang="es"><![CDATA[Relación de la edad con componentes espectrales de realizaciones sin ruido de señales fotopletismográficas: resultados de un enfoque de identificación no lineal]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Cáceres]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes Morales]]></surname>
<given-names><![CDATA[Luis Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Fernández]]></surname>
<given-names><![CDATA[Rene Ivan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Cuban Neuroscience Center  ]]></institution>
<addr-line><![CDATA[Havana ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>11</volume>
<numero>2</numero>
<fpage>3</fpage>
<lpage>15</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1684-18592019000200003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1684-18592019000200003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1684-18592019000200003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[SUMMARY  Background:  Age-related changes in the vascular network have been widely documented, however, nonlinear identification has been poorly applied to the analysis of cardiovascular signals.  Objective:  To determine the impact of age on spectral components of Noise-free realizations (NFR) obtained from photoplethysmographic signals, summarized in the Kernel Complexity Regressive Index (KCRIndex).  Methods:  With 190 apparently healthy participants (9 to 89 years) from Orense, Spain, Photoplethysmographic signals were recorded during 5 minutes in supine position using Nellcor-395 pulse oximeter; signals were digitized at 1000 Hz, and furtherly submitted to nonlinear identification via a kernel nonlinear autoregressive estimator. KCRIndex is defined as the average of at least three negative slope values at the NFR log-log spectrum in the 9 to 25 Hz frequency region.  Results:  KCRIndex decreased with age in a linear fashion and did not differ between genders. The regression line obtained was KCRIndex=-0.025*age+6.868 (r=-0.751).  Conclusions:  KCRIndex, is strongly correlated with age, thus opening up new possibilities for cardiovascular exploration at primary health care settings and even on open field conditions.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Antecedentes:  los cambios relacionados con la edad en la red vascular se han documentado ampliamente, sin embargo, la identificación no lineal solo se ha aplicado de manera esporádica al análisis de las señales cardiovasculares.  Objetivo:  determinar los cambios con la edad en los componentes espectrales de las realizaciones sin ruido (NFR) obtenidas a partir de señales fotopletismográficas, resumidas en el índice regresivo de la complejidad por núcleos (KCRIndex).  Métodos:  Con 190 participantes aparentemente sanos (de 9 a 89 años) residentes en Orense, España, se registraron señales fotopletismográficas durante 5 minutos en posición supina usando un oxímetro de pulso Nellcor-395; las señales se digitalizaron a 1000 Hz, y se sometieron a identificación no lineal a través de un estimador autorregresivo no lineal por núcleos. El KCRIndex se define como el promedio de al menos tres valores de pendiente negativos en el espectro log-log de NFR en la región de frecuencia de 9 a 25 Hz.  Resultados:  KCRIndex disminuyó con la edad de forma lineal y no difirió entre géneros. La línea de regresión obtenida fue KCRIndex = -0.025 * edad + 6.868 (r = -0.751).  Conclusiones:  Este índice propuesto está fuertemente correlacionado con la edad, lo que abre nuevas posibilidades para la exploración cardiovascular en entornos de atención primaria de salud e incluso en condiciones de campo.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[cardiovascular age]]></kwd>
<kwd lng="en"><![CDATA[photoplethysmographic signal]]></kwd>
<kwd lng="en"><![CDATA[nonlinear dynamics]]></kwd>
<kwd lng="en"><![CDATA[nonlinear nonparametric regression]]></kwd>
<kwd lng="en"><![CDATA[KCRIndex]]></kwd>
<kwd lng="es"><![CDATA[edad cardiovascular]]></kwd>
<kwd lng="es"><![CDATA[señal fotopletismográfica]]></kwd>
<kwd lng="es"><![CDATA[dinámica no lineal]]></kwd>
<kwd lng="es"><![CDATA[regresión no lineal no paramétrica]]></kwd>
<kwd lng="es"><![CDATA[KCRIndex]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[West]]></surname>
<given-names><![CDATA[GB]]></given-names>
</name>
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[JH]]></given-names>
</name>
<name>
<surname><![CDATA[Enquist]]></surname>
<given-names><![CDATA[BJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A General Model for the Origin of Allometric Scaling Laws in Biology]]></article-title>
<source><![CDATA[Science]]></source>
<year>1997</year>
<volume>276</volume>
<numero>5309</numero>
<issue>5309</issue>
<page-range>122-6</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[McMahon]]></surname>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Size and Shape in Biology Elastic criteria impose limits on biological proportions, and consequently on metabolic rates]]></article-title>
<source><![CDATA[Science]]></source>
<year>1973</year>
<volume>79</volume>
<numero>4079</numero>
<issue>4079</issue>
<page-range>1201-4</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Changizi]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Cherniak]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Modeling the Large-Scale Geometry of Human Coronary Arteries Can. J. Physiol]]></article-title>
<source><![CDATA[Pharmacol]]></source>
<year>2000</year>
<volume>78</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>603-11</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[O&amp;apos;Rourke MF]]></surname>
</name>
<name>
<surname><![CDATA[Nichols]]></surname>
<given-names><![CDATA[WW]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Aortic Diameter, Aortic Stiffness, and Wave Reflection Increase With Age and IsolatedSystolic Hypertension]]></article-title>
<source><![CDATA[Hypertension]]></source>
<year>2005</year>
<volume>45</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>652-8</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Adji]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Disparate effects of aging on indices of arterial stiffness and wave reflection]]></article-title>
<collab>O'Rourke M</collab>
<source><![CDATA[J Am CollCardiol]]></source>
<year>2004</year>
<volume>43</volume>
<numero>5 Suppl 2</numero>
<issue>5 Suppl 2</issue>
<page-range>2242-5</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Avolio]]></surname>
<given-names><![CDATA[AP]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[SG]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[RP]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[CL]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of aging on changing arterial compliance and left ventricular load in a northern Chinese urban community]]></article-title>
<collab>O'Rourke MF</collab>
<source><![CDATA[Circulation]]></source>
<year>1983</year>
<volume>68</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>50-8</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Glasser]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Finkelstein]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Cohn]]></surname>
<given-names><![CDATA[JN]]></given-names>
</name>
<name>
<surname><![CDATA[McVeigh]]></surname>
<given-names><![CDATA[GE]]></given-names>
</name>
<name>
<surname><![CDATA[Bratteli]]></surname>
<given-names><![CDATA[CW]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Age-Related Abnormalities in Arterial Compliance Identified by Pressure Pulse Contour Analysis Aging and Arterial Compliance]]></article-title>
<collab>Morgan DJ et al</collab>
<source><![CDATA[Hypertension]]></source>
<year>1999</year>
<volume>33</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1392-8</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hernández Caceres]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Syed Hasan]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A New First-Derivative Related Index to Assess Pulse Wave Transit Time from a Photoplethysmographic Waveform Age Dependence and Agreement with Normative Data]]></article-title>
<source><![CDATA[International Journal of Bioinformatics and Biomedical Engineering]]></source>
<year>2015</year>
<volume>1</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>276-83</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hernández Caceres]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Applying the 3-element windkessel model to photoplethysmographic signals. Gender differences and age correlation]]></article-title>
<source><![CDATA[Rev cuba inform méd]]></source>
<year>2014</year>
<volume>6</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>48-56</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hernández Caceres]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[On age dependence of peripheral augmentation index]]></article-title>
<source><![CDATA[Rev Electron Biomed / Electron J Biomed]]></source>
<year>2013</year>
<volume>1</volume>
<page-range>50-5</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bogdanov]]></surname>
<given-names><![CDATA[IN]]></given-names>
</name>
</person-group>
<source><![CDATA[El físico visita al Biólogo]]></source>
<year>1989</year>
<edition>1.ª</edition>
<page-range>191</page-range><publisher-loc><![CDATA[Moscú ]]></publisher-loc>
<publisher-name><![CDATA[MIR]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[McVeigh]]></surname>
<given-names><![CDATA[GE]]></given-names>
</name>
<name>
<surname><![CDATA[Bratteli]]></surname>
<given-names><![CDATA[CW]]></given-names>
</name>
<name>
<surname><![CDATA[Morgan]]></surname>
<given-names><![CDATA[DJ]]></given-names>
</name>
<name>
<surname><![CDATA[Alinder]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
<name>
<surname><![CDATA[Glasser]]></surname>
<given-names><![CDATA[SP]]></given-names>
</name>
<name>
<surname><![CDATA[Finkelstein]]></surname>
<given-names><![CDATA[SM]]></given-names>
</name>
<name>
<surname><![CDATA[Cohn]]></surname>
<given-names><![CDATA[JN]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Age-related abnormalities in arterial compliance identified by pressure pulse contour analysis aging and arterial compliance]]></article-title>
<source><![CDATA[Hypertension]]></source>
<year>1999</year>
<volume>33</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1392-8</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tong]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<source><![CDATA[Nonlinear Time Series: A Dynamical System Approach]]></source>
<year>1990</year>
<page-range>564</page-range><publisher-loc><![CDATA[UK. ]]></publisher-loc>
<publisher-name><![CDATA[Oxford University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aguirre]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A Tutorial Introduction to Nonlinear Dynamics and Chaos, Part11]]></article-title>
<source><![CDATA[Modeling and Control SBAControle&amp;Automação]]></source>
<year>1996</year>
<volume>7</volume>
<numero>I</numero>
<issue>I</issue>
<page-range>50-66</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hernández Caceres]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Valdés]]></surname>
<given-names><![CDATA[PA]]></given-names>
</name>
<name>
<surname><![CDATA[Vila]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[EEG spike and wave modelled by a stochastic limit cycle]]></article-title>
<source><![CDATA[Neuroreport]]></source>
<year>1996</year>
<volume>7</volume>
<numero>13</numero>
<issue>13</issue>
<page-range>2246-50</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Valdés]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Bosch]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Trujillo]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Biscay]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Morales]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The statistical identification of nonlinear brain dynamics: A progress report]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Pradhan]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Rapp]]></surname>
<given-names><![CDATA[PE]]></given-names>
</name>
</person-group>
<collab>Sreenivasan</collab>
<source><![CDATA[Nonlinear Dynamics and Brain Functioning]]></source>
<year>1999</year>
<publisher-loc><![CDATA[N.Y. ]]></publisher-loc>
<publisher-name><![CDATA[Nova Science Publishers]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Miwakeichi]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Ramirez Padron]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Valdes Sosa PA, Ozaki T A comparison of non-linear non-parametric models for epilepsy data]]></article-title>
<source><![CDATA[Computers in Biology and Medicine]]></source>
<year>2001</year>
<volume>31</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>41-57</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shi]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Tamura]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Ozaki]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Empirical evaluation of Non-parametric autoregressive model for dynamics reconstruction and prediction]]></article-title>
<source><![CDATA[Journal of Signal Processing]]></source>
<year>2000</year>
<volume>4</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>185-93</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alastruey]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Parker]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Peiró]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Sherwin]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Analysing the pattern of pulse waves in arterial networks: a time-domain study]]></article-title>
<source><![CDATA[J Eng Math]]></source>
<year>2009</year>
<volume>64</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>331-51</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alastruey]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Khir AW, Matthys KS, Segers P, Sherwin SJ, Verdonck PR, Parker KH, Peirao J Pulse wave propagation in a model human arterial network: Assessment of 1-D visco-elastic simulations against in vitro measurements]]></article-title>
<source><![CDATA[J Biomech]]></source>
<year>2011</year>
<volume>44</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>2250-8</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Giuliani]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Piccirillo]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Marigliano]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Colosimo]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A nonlinear explanation of aging induced changes inheart beat dynamics]]></article-title>
<source><![CDATA[American Journal of Physiology. - Heart]]></source>
<year>1998</year>
<volume>275</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>H1455-61</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lakatta]]></surname>
<given-names><![CDATA[EG]]></given-names>
</name>
<name>
<surname><![CDATA[Levy]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Arterial and cardiac aging major shareholders in cardiovascular disease enterprises: Part I: aging arteries: a "set up" for vascular disease]]></article-title>
<source><![CDATA[Circulation]]></source>
<year>2003</year>
<volume>107</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>139-46</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nambi]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Worthley]]></surname>
<given-names><![CDATA[SG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clinical use of imaging for cardiovascular risk assessment, Chapter 14]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Nicholls]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Worthley]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Cardiovascular Imaging for clinical practice]]></source>
<year>2011</year>
<page-range>293-305</page-range><publisher-loc><![CDATA[Sudbury ]]></publisher-loc>
<publisher-name><![CDATA[Massachussetts]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barodka]]></surname>
<given-names><![CDATA[VM]]></given-names>
</name>
<name>
<surname><![CDATA[Joshi]]></surname>
<given-names><![CDATA[BL]]></given-names>
</name>
<name>
<surname><![CDATA[Berkowitz]]></surname>
<given-names><![CDATA[DE]]></given-names>
</name>
<name>
<surname><![CDATA[Hogue]]></surname>
<given-names><![CDATA[CW]]></given-names>
</name>
<name>
<surname><![CDATA[Nyhan]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Implications of Vascular Aging]]></article-title>
<source><![CDATA[AnesthAnalg]]></source>
<year>2011</year>
<volume>112</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>1048-60</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pelberg]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<source><![CDATA[Cardiac CT angiography manual]]></source>
<year>2007</year>
<page-range>142</page-range><publisher-loc><![CDATA[N.Y. ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
