1.
Rev. méd. IMSS
;
35(2): 155-6, mar.-abr. 1997.
Article
in Spanish
| LILACS
| ID: lil-226793
2.
Bol. méd. Hosp. Infant. Méx
;
52(1): 67-8, ene. 1995.
Article
in Spanish
| LILACS
| ID: lil-147839