1692-7273

1692-7273

S1692-72732017000300325

10.12804/revistas.urosario.edu.co/revsalud/a.6116

Colombia

United States of America

00 12 2017

00 12 2017

15 3 325 334

1

2011 29 7 7

789-96

2

2011 117 21 21

4869-77

3

2007 109 1 1

68-76

4

2009 33 9 9

1199-203

5

2011 118 2 2

401-8

6

2012 30 33 33

4098-103

7

2013 122 21 21

4067

8

2005 5 5

115-27

9

R Core Team 2014

10

1996

11

1987 6 6

441-8

12

2001

13

1989 45 1 1

255-68

14

1999

15

2005

16

2013 2 6 6

889-98