1726-6718

1726-6718

S1726-67182022000300002

Cuba

Cuba

00 12 2022

00 12 2022

21 3

1

2010 6

24

2

2021 68 6^s2 6^s2 2

s1-22

3

2016 32 2 2

176-89

4

2021 5 3 3

3534-61

5

2015 6 1 1

6

2016 34

385-91

7

2021 26 4 4

8

Wordl Medical Association Declaration of Helsinki

2013 310 20 20

1-95

9

2020 32 19 19

20-6

10

2021

11

2016 8 9 9

12

2017 67 5 English 5

541-3

13

2020

14

2017 5 5

15

2018 4 4

16

2021

17

2019 66 1 1

30-2