The pharynx and esophagus.
Halvorsen
R A
RA
University of Minnesota School of Medicine, Minneapolis.
D004935:Esophageal Diseases / Q000000981:diagnostic imaging; D004947:Esophagus / Q000000981:diagnostic imaging*; D006801:Humans; D010614:Pharynx / Q000000981:diagnostic imaging*; D011859:Radiography