0001-6002

0001-6002

S0001-60022021000200113

Costa Rica

00 06 2021

00 06 2021

63 2 113 121

1

World Health Organization (WHO). 2020

2

2020 60

10.1016/j.jpainsymman.04.027

3

2014 28 1 1

49-58

4

2005 3

5-14

5

2012

6

2005 19 7 7

556-62

7

2012 6 3 3

371-8

8.

World Health Organization (WHO). 2014

9

391 10128 10128

1391-1454.

10.

2019 7 19 19

30172-X

11.

2017

12.

2016

13

2020

14.

2020

15

2018

16

2020

17

1988 42 2 2

134-7

18

2018

19

2018 4 2 2

65-77

20.

1999

1271-80

21

1999 53 9 9

587-58

22

2003 27 4 4

419-24