1.
Gac Med Mex
; 135(5): 533-4, 1999.
Article
in Spanish
| MEDLINE
| ID: mdl-10596498
2.
Gac. méd. Méx
; Gac. méd. Méx;135(5): 533-4, sept.-oct. 1999.
Article
in Spanish
| LILACS
| ID: lil-266475