1.
Rev. colomb. obstet. ginecol
;
39(3): 192-6, jul.-sept. 1988. tab
Article
in Spanish
| LILACS
| ID: lil-83838
2.
Gac. méd. Caracas
;
94(1/3): 57-8, ene.-mar. 1986.
Article
in Spanish
| LILACS
| ID: lil-39489
3.
Rev. colomb. obstet. ginecol
;
36(2): 123-32, mar.-abr. 1985. tab
Article
in Spanish
| LILACS
| ID: lil-1418
4.
Rev. colomb. obstet. ginecol
;
33(1): 30-42, 1982.
Article
in Spanish
| LILACS
| ID: lil-10037