1.
Acta gastroenterol. latinoam
;
12(3): 231-6, 1982.
Article
in Spanish
| LILACS
| ID: lil-8548
Subject(s)
Child, Preschool , Child , Adolescent , Adult , Middle Aged , Humans , Male , Female , Digestive System , Foreign Bodies , Endoscopy
2.
Acta gastroenterol. latinoam
;
12(4): 351-9, 1982.
Article
in Spanish
| LILACS
| ID: lil-10386