1.
Rev. méd. Chile
;
117(3): 322-9, mar. 1989. ilus
Article
in Spanish
| LILACS
| ID: lil-63543
2.
Trib. méd. (Bogotá)
;
78(7): 1-8, oct. 1988. ilus
Article
in Spanish
| LILACS
| ID: lil-84021