1.
Bol. Hosp. Viña del Mar
;
40(1): 35-42, 1984.
Article
in Spanish
| LILACS
| ID: lil-22641
2.
Bol. Hosp. Viña del Mar
;
40(1): 49-56, 1984.
Article
in Spanish
| LILACS
| ID: lil-22643