1.
Rev. peru. med. exp. salud publica
;
27(3): 487-489, jul.-set. 2010.
Article
in Spanish
| LILACS, INS-PERU, LIPECS
| ID: biblio-1111697
2.
Rev. peru. med. exp. salud publica
;
27(3): 487-489, jul.-set. 2010.
Article
in Spanish
| LILACS, INS-PERU
| ID: lil-571092