1692-7273
1692-7273
S1692-72732020000400066
10.12804/revistas.urosario.edu.co/revsalud/a.9135
Ecuador
00
12
2020
00
12
2020
18
spe
66
82
[
2012
]
[
2010
]
[
Club Ensayos
2011
]
[
2009
]
[
1995
]
[
1997
]
[
2003
]
[
2000
]
[
1989
]
[
1976
]
[
1975
]
[
2001
4
4
135-76
]
[
1985
]
[
1998
]
[
2003
]
[
1983
]
[
2003
]
[
1995
]
[
1996
]
[
1998
]
[
2010
]
[
2009
38
38
42
]