1990-8644
1990-8644
S1990-86442018000400188
Ecuador
00
09
2018
00
09
2018
14
64
188
192
[
2017
]
[
2018
]
[
2000
6
]
[
Fundación Universia
2018
]
[
2014
]
[
2007
11
39
39
525-604
]
[
2016
45
45
113-39
]
[
Ecuador. Ministerio de Salud Pública
2014
]
[
2004
1-18
]
[
2011
15
2
2
166-83
]
[
Portal Odontólogos S. A.
2015
]
[
Rosental, & Iudin.
2005
]