1727-897X

1727-897X

S1727-897X2022000100025

Cuba

Cuba

Cuba

00 02 2022

00 02 2022

20 1 25 34

1

World Health Organization 2020

2

2021 175 3 3

316-7

3

2020 174 9 9

882-9

4

Centro Nacional de Información de Ciencias Médicas

2021

5

2009 23 2 2

158e1-158e28

6

2020 24 6 6

1114-27

7

2021 53 2 2

101957

8

2020 19 supl supl

9

2020 155 6 6

263-6

10

2020 40

275-80

11

2020 20 6 6

689-96

12

2020 92 supl. esp COVID-19 supl. esp COVID-19

13

2020 58

14

2020 92 supl. esp COVID-19 supl. esp COVID-19

15

2020 69 8 8

1114-23

16

2020 90 1 1

17

2020 173 5 5

18

2020 92 ^s1 ^s1 1

19

2020 45 4 4