1.
Gac. méd. Méx
; 136(1): 31-44, ene.-feb. 2000. graf, CD-ROM
Article
in Spanish
| LILACS
| ID: lil-304299
2.
Ginecologia y Obstetricia de Mexico
; 64343-6jul. 1996.
Article
in Spanish
| PAHO
| ID: pah-33679
3.
Ginecol. obstet. Méx
; 64343-6: s.p, jul. 1996.
Article
in Spanish
| LILACS
| ID: lil-376277