title: The enigma of achalasia.
authors.affiliation: Dept. of Pathology, Bowman Gray School of Medicine, Winston Salem, NC, USA.
authors.forename: K
authors.initials: K
authors.lastname: Geisinger
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D017615:Enteric Nervous System / Q000473:pathology; D004931:Esophageal Achalasia / Q000209:etiology / Q000473:pathology*; D004947:Esophagus / Q000294:innervation / Q000473:pathology*; D006801:Humans; D008875:Middle Aged