1.
Arch. invest. méd
;
13(3): 173-9, 1982.
Article
in Spanish
| LILACS
| ID: lil-7541
2.
Arch. invest. méd
;
13(4): 225-9, 1982.
Article
in Spanish
| LILACS
| ID: lil-7772
3.
Arch. invest. méd
;
12(4): 499-503, 1981.
Article
in Spanish
| LILACS
| ID: lil-4966