[Heterotopia of gastric mucosa in the esophagus; two cases].
D004947:Esophagus / Q000002:abnormalities*; D005753:Gastric Mucosa; D006801:Humans; D009092:Mucous Membrane
ESOPHAGUS/abnormalities; MUCOUS MEMBRANES
Heterotopia de mucosa gastrica en esofago; a proposito de dos observaciones.