1.
Rev. méd. IMSS
;
22(4): 277-80, 1984.
Article
in Spanish
| LILACS
| ID: lil-21474
2.
Rev. méd. IMSS
;
19(1): 59-63, 1981.
Article
in Spanish
| LILACS
| ID: lil-11156
3.
Arch. invest. méd
;
12(2): 163-72, 1981.
Article
in Spanish
| LILACS
| ID: lil-4940