Achalasia.
Hill
J W
JW
Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston.
DeLuca
S A
SA
D004931:Esophageal Achalasia / Q000175:diagnosis / Q000000981:diagnostic imaging* / Q000628:therapy; D004947:Esophagus / Q000000981:diagnostic imaging; D006801:Humans; D008482:Mediastinum / Q000000981:diagnostic imaging; D011859:Radiography; D014132:Trachea / Q000000981:diagnostic imaging