1.
Rev Colomb Obstet Ginecol
; 21(5): 479-89, 1970.
Article
in Spanish
| MEDLINE
| ID: mdl-5497356
2.
Rev Colomb Obstet Ginecol
; 21(1): 67-73, 1970.
Article
in Spanish
| MEDLINE
| ID: mdl-4194008