1.
Trib. méd. (Bogotá)
;
78(2): 35-40, jul. 1988. ilus, tab
Article
in Spanish
| LILACS
| ID: lil-84413
2.
Rev. Acad. Med. Zulia
;
20(1): 1-6, jun. 1987. ilus
Article
in Spanish
| LILACS
| ID: lil-61829