1.
Bol. méd. Hosp. Infant. Méx
;
45(7): 411-4, jul. 1988.
Article
in Spanish
| LILACS
| ID: lil-69539
2.
Bol. méd. Hosp. Infant. Méx
;
43(7): 395-8, jul. 1986.
Article
in Spanish
| LILACS
| ID: lil-46109