[Contribution to the understanding of mucosal prolapse of the gastric antrium into the duodenum].
D005753:Gastric Mucosa / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011708:Pylorus / Q000000981:diagnostic imaging*; D011859:Radiography
Contribución al conocimiento del prolapso de la mucosa del antro gástrico en el duodeno.