1.
Acta gastroenterol. latinoam
; 13(1): 45-52, 1983.
Article
in Spanish
| BINACIS
| ID: bin-35179
2.
Acta gastroenterol. latinoam
; 13(1): 45-52, 1983.
Article
in Spanish
| LILACS
| ID: lil-13949