1.
Rev. chil. obstet. ginecol
;
49(4): 262-72, 1984.
Article
in Spanish
| LILACS
| ID: lil-24303
2.
Rev. chil. obstet. ginecol
;
49(3): 199-205, 1984.
Article
in Spanish
| LILACS
| ID: lil-25035