[Fundamental studies on x-ray findings of area gasticae].
D000367:Age Factors; D002299:Cardia / Q000166:cytology / Q000000981:diagnostic imaging; D002648:Child; D002675:Child, Preschool; D005333:Fetus; D005753:Gastric Mucosa / Q000166:cytology / Q000000981:diagnostic imaging; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D011708:Pylorus / Q000166:cytology / Q000000981:diagnostic imaging; D011859:Radiography; D013270:Stomach / Q000166:cytology* / Q000000981:diagnostic imaging*