1.
Cir. Urug
;
58(1): 24-7, ene-feb. 1988.
Article
in Spanish
| LILACS
| ID: lil-106866
2.
Cir. Urug
;
57(2/3): 78-88, mar.-jun. 1987. ilus
Article
in Spanish
| LILACS
| ID: lil-90302