1.
Rev. argent. cir
;
55(6): 292-4, dic. 1988.
Article
in Spanish
| LILACS
| ID: lil-70627
2.
Rev. argent. cir
;
54(3/4): 92-3, mar.-abr. 1988.
Article
in Spanish
| LILACS
| ID: lil-69110