ISSN 1729-519X
electronic edition

INSTRUCTIONS TO THE AUTHORS

Works will be unpublished: Once approved they won't be able to undergo the consideration of another magazine for a multiple publication without the due authorization of the editorial committee of "Revista Habanera de Ciencias Medicas".

· Size: The maximun extension will be of twelve sheets for the original works, twelve for the revisions and four for brief communications, eight for case reports included the charts and figures.

· Presentation of the articles: Articles will be presented in electronic format, to double Space with non inferior margins at 2,5 and in size sheets A4. All pages will be numbered in Arabic and consecutively starting from the first one. The articles will be sent to: rhabanera@cecam.sld.cu cmrhaban@infomed.sld.cu.

· The first page: It will contain the name of the institution that supports the work the title in Spanish and English, full names of all the authors with their e-mails and telephones, educational and-or investigative categories and scientific degrees if they possess.

· Subsequently: It will appear a structured summary in no more than 250 words containig the objectives, methods, main results and conclusions of the work. The content of the document will be reflected by using from 3 to 10 terms or phrases(key words) at the bottom of the abstract and in order of importance. Next to the summary in Spanish the translation to English will appear.

· Bibliographical index: They will be written in double space, French paragraph and in aside sheet. Recommendations made by the international committee of Editors of Medical Magazines will be followed in order to prepare the works that intend for publication. The bibliographical references will be numbered according to the order they appear in the text and they will be identified in Arabic numbers and among brackets.

The mention of personal communications and unpublished documents will be avoided.The references of the articles approved for their publication will be included indicating the title of the magazine and the explanation in press between parenthesis
All the authors of the mentioned text will be related, if they are six or more the first five will be mentioned only.

The titles of the magazines will be abbreviated according to the norms of Index Medicus (list of journals indexed in Index Medicus). No element will be stand out by using capital letters or underlined phrases.Classification of the bibliographical elements and the use of punctuation marks prescribed by Vancouver style will be observed.

The publications of results of original investigations will have as minimum 50% of criteria belonging to the last 5 years while the revisions will need 70% of updated references. Presentation of case reports will have a minimum of 10 bibliographical references with at least a 40% of the last 5 years. Next, some examples of the main cases.

MAGAZINES:

1. You CH, Lee KY, Chey RY, Menguy R. Electrogastro-graphic study of patients with unexplained nausea, bloating and vomiting. Gastroenterology 1980;79(2):311-4.

Optionally the omisión in the number of the magazine is admitted with serial paging for each volume.

• You CH, Lee KY, Chey RY, Menguy R. Electrogastrographic study of patients with unexplained nausea, bloating and vomiting. Gastroenterology 1980;79:311-4.
• Goate AM, Haynes AR, Owen MJ, Farrall M, James LA, LaiLy, et al. Predisposing locus for Alzheimer's disease on chromosome 21. Lancet 1989;1:352-5.
• New linking salt and hypertension [editorial]. BMJ 1981;282: 1993-4.

BOOKS AND OTHER MONOGRAPHS

• Weinstein I, Swartz MN. Pathologic properties of invading microorganism. En: Sodeman WA Jr Sodeman WA, eds. Pathologic physiology: mechanisms of disease. Philadelphia: WB Saunders, 1974:457-72.
• Eisen HN. Immunology: an introduction to molecular and celular principles of the immune response. 5. ed. New York: Harper and Row, 1974:406.

Charts, models and annexes: They will be numbered consecutively and they should appear mentioned in the text. Charts will be adjusted to the format of the publication and the editorial will be able to modify them if there are technical difficulties.
To be published in text word.

Figures: Pictures, graphics, drawings, outlines, maps, computer exits, other graphic representations and non lineal formulas will be denominated figures and they will have Arabic serial numeration . The total of the figures and charts will ascend to 5 for original works and 3 for brief communications and case reports.

Abbreviations and initials: It will be preceded by the complete name first time they appear in the text. They won't figure in titles or abstracts. Only those of international use will be used.

International system of unit (SI): All the lab results will be informed in units of the SI.If authors want to add traditional units, these will be written between parenthesis.
Example: glucose tolerance test; 5,55 mmol/l (100mg/100ml)

Works that are not adjusted to these instructions will be returned to the authors. Works editorially revised will undergo an arbitration process double blind, that is, neither authors nor referees know the identity or institution of the articles. If the article is accepted with small arrangements the author should modify them in a term of 15 days. To facilitate the elaboration of the originals authors are guided to consult the requirements already pointed out.

All the rights reserved are for the University of Medical Sciences of Havana on the original works published in its magazine. For their total or partial reproduction the original magazine will be mentioned and two copies of the work will be sent to our address.