0798-0752

0798-0752

S0798-07522020000200141

Venezuela

00 12 2020

00 12 2020

33 2 141 148

1

2012

2

2020

3

2020

4

The National Center on Addiction and Substance Abuse (CASA) at Columbia University 2012

5

6

2013

154-7

7

2018 31 1 1

13-26

8

2018 31 2 2

66-77

9

2015

10

grupo del estudio ELANS

2017 30 1 1

38-52

11

12

1997

560-74

13

2020

7-25

14

15

2015 28 2 2

100-9

16

17

2020

18

2020