2215-3470
2215-3470
S2215-34702022000100208
10.15359/ru.36-1.12
El Salvador
00
12
2022
00
12
2022
36
1
208
222
[
2011
8
1
1
223-38
]
[
2020
]
[
2018
253
1
1
118-30
]
[
2015
]
[
CDC
2021
]
[
2006
241
2
2
193-204
]
[
2020
]
[
DIGESTYC
2018
]
[
FMI
2020
]
[
GOAL
2021
]
[
GOES
2021
]
[
2020
]
[
2020
]
[
2011
8
1
1
21-48
]
[
2007
]
[
2021
]
[
2007
71
1
1
20-9
]
[
OPS
2020
]
[
2020
65
57-73
]
[
2020
135
]
[
2016
]
[
2020
]
[
UNICEF
2021
]
[
WHO
2021
]