1.
Rev. méd. hondur
;
75(2): 97-101, abr.-jun. 2007. ilus
Article
in Spanish
| LILACS
| ID: lil-476348
2.
Washington, D.C; Organización Panamericana de la Salud; 2002. s.p
Monography
in Spanish
| LILACS
| ID: lil-382152