Childhood achalasia.
Mason
A C
AC
Wright
F W
FW
D002648:Child; D004931:Esophageal Achalasia / Q000000981:diagnostic imaging*; D004947:Esophagus / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D011859:Radiography; D013577:Syndrome