1.
Bol. méd. Hosp. Infant. Méx
;
58(3): 198-204, mar. 2001. tab
Article
in Spanish
| LILACS
| ID: lil-306674
2.
Bol. méd. Hosp. Infant. Méx
;
57(7): 416-20, jul. 2000. tab
Article
in Spanish
| LILACS
| ID: lil-286262