Upper esophageal sphincter function in patients with Zenker's diverticulum.
Frieling
T
T
Berges
W
W
Lübke
H J
HJ
Enck
P
P
Wienbeck
M
M
D000368:Aged; D004936:Diverticulum, Esophageal; D004943:Esophagogastric Junction / Q000503:physiopathology*; D006801:Humans; D008875:Middle Aged