1.
Cir. Urug
;
51(4): 321-53, 1981.
Article
in Spanish
| LILACS
| ID: lil-5920
2.
Cir. Urug
;
51(5): 440-502, 1981.
Article
in Spanish
| LILACS
| ID: lil-5930
3.
Cir. Urug
;
51(6): 586-8, 1981.
Article
in Spanish
| LILACS
| ID: lil-5950