[Achalasia in childhood].
D002648:Child; D002675:Child, Preschool; D004931:Esophageal Achalasia / Q000175:diagnosis* / Q000235:genetics / Q000523:psychology; D005183:Failure to Thrive / Q000175:diagnosis; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis; D008297:Male; D001523:Mental Disorders / Q000175:diagnosis