[Apropos of 3 alleged failures in the Heller operation].
D003680:Deglutition Disorders / Q000601:surgery*; D004947:Esophagus / Q000002:abnormalities*; D006801:Humans; D011707:Pyloric Stenosis / Q000601:surgery*
DEGLUTITION DISORDERS/surgery; ESOPHAGUS/abnormalities; PYLORIC STENOSIS/surgery