1.
Rev. méd. IMSS
;
22(2): 79-83, 1984.
Article
in Spanish
| LILACS
| ID: lil-21161
2.
Rev. méd. IMSS
;
21(2): 190-6, 1983.
Article
in Spanish
| LILACS
| ID: lil-15088
3.
Rev. méd. IMSS
;
19(5): 561-5, 1981.
Article
in Spanish
| LILACS
| ID: lil-11439