1.
Salud Publica Mex
; 57(2): 112-4, 2015.
Article
in Spanish
| MEDLINE
| ID: mdl-26235768
2.
Salud pública Méx
; 57(2): 112-114, mar.-abr. 2015. tab
Article
in Spanish
| LILACS
| ID: lil-754074