Observations on the hypopharynx and cricopharyngeus area:  a plea for greater accomplishment in esophagological procedures and an illustration of transesophagoscopic retrograde dilation.
D004194:Disease; D004935:Esophageal Diseases; D004947:Esophagus; D006801:Humans; D007013:Hypopharynx; D010608:Pharyngeal Diseases; D010609:Pharyngeal Muscles; D010614:Pharynx
ESOPHAGUS/diseases; PHARYNX/diseases