1.
Rev. Méd. Clín. Condes
;
14(2): 72-78, abr. 2003. ilus
Article
in Spanish
| LILACS
| ID: lil-348406
2.
Rev. chil. obstet. ginecol
;
50(5): 356-62, 1985.
Article
in Spanish
| LILACS
| ID: lil-33154