1.
Rev. argent. cir
;
67(6): 168-71, dic. 1994. ilus
Article
in Spanish
| LILACS
| ID: lil-141650
2.
Rev. argent. cir
;
65(6): 204-6, dic. 1993. ilus
Article
in Spanish
| LILACS
| ID: lil-127526