Esophageal motility studies. Clinical usefulness.
D000328:Adult; D002404:Catheterization; D004931:Esophageal Achalasia / Q000175:diagnosis / Q000503:physiopathology; D004947:Esophagus / Q000503:physiopathology*; D005260:Female; D005769:Gastrointestinal Motility; D006801:Humans; D008297:Male; D008688:Methacholine Compounds; D008722:Methods; D008875:Middle Aged; D014159:Transducers
D008688:Methacholine Compounds