title: Motility: Achalasia subtyping directs therapy.
authors.forename: Donald O
authors.initials: DO
authors.lastname: Castell
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D004106:Dilatation / Q000379:methods*; D004931:Esophageal Achalasia / Q000175:diagnosis* / Q000473:pathology / Q000628:therapy*; D004945:Esophagoscopy / Q000379:methods; D005260:Female; D006801:Humans; D010535:Laparoscopy / Q000379:methods; D008297:Male; D008365:Manometry / Q000379:methods; D008875:Middle Aged; D011379:Prognosis; D018570:Risk Assessment; D012720:Severity of Illness Index; D012737:Sex Factors; D016896:Treatment Outcome; D055815:Young Adult