1.
Rev. méd. hondur
;
73(3): 104-105, jul.-sep. 2005.
Article
in Spanish
| LILACS
| ID: lil-444197
2.
Epidemiol. bull
;
26(1): 12-15, Mar. 2005. graf
Article
in English, Spanish
| LILACS
| ID: lil-491748