1665-6423

1665-6423

S1665-64232021000300227

10.22201/icat.24486736e.2021.19.3.1694

Egypt

00 00 2021

00 00 2021

19 3 227 237

2021 191

1-2

2020 728

1-7

2019 162

298-306

2020

2021 60 2 2

2355-67

2016 5 8 8

352-9

2020

2020 17 11 11

1-21

2020 12 2 2

2016 7 1 1

936-43

2020

1-20

2020 30 6 6

1-12

2020

1-4

2020 11 4 4

1-19

2020 10 6 6

2627-33

2020 17 8 8

World Health Organization 2020

2017

1-9

2020 5 40 40

1-2

2018 57 4 4

3127-37