1.
Arch. invest. méd
;
13(2): 93-100, 1982.
Article
in Spanish
| LILACS
| ID: lil-7530
2.
Arch. invest. méd
;
13(supl 3): 71-6, 1982.
Article
in English
| LILACS
| ID: lil-7790
3.
Arch. invest. méd
;
12(3): 275-96, 1981.
Article
in Spanish
| LILACS
| ID: lil-4949