1.
Sinop. obstet. ginecol
;
46(1): 43-50, ene.-mar. 1999. ilus
Article
in Spanish
| LILACS
| ID: lil-252980
2.
Sinop. obstet. ginecol
;
42(1): 39-52, ene.-mar. 1995. ilus
Article
in Spanish
| LILACS
| ID: lil-226763