1.
Bol. méd. Hosp. Infant. Méx
;
39(1): 57-63, 1982.
Article
in Spanish
| LILACS
| ID: lil-9215
2.
Bol. méd. Hosp. Infant. Méx
;
39(3): 233-5, 1982.
Article
in Spanish
| LILACS
| ID: lil-9237