1.
Rev. méd. Hosp. Gen. Méx
; 44(11): 421-4, 1981.
Article
in Spanish
| LILACS
| ID: lil-12060
2.
Rev. méd. Hosp. Gen. Méx
; 44(12): 470-3, 1981.
Article
in Spanish
| LILACS
| ID: lil-12067