1.
Bol. méd. postgrado
;
1(3): 55-62, sept.-dic. 1985.
Article
in Spanish
| LILACS
| ID: lil-34501
2.
Bol. méd. postgrado
;
1(1): 46-50, ene.-mar. 1985.
Article
in Spanish
| LILACS
| ID: lil-34482