title: Familial achalasia with pulmonary complications in children.
mesh_terms: D001466:Barium Sulfate; D002648:Child; D002675:Child, Preschool; D004931:Esophageal Achalasia / Q000150:complications / Q000000981:diagnostic imaging / Q000235:genetics*; D006801:Humans; D008171:Lung Diseases / Q000000981:diagnostic imaging / Q000209:etiology*; D008297:Male; D011859:Radiography
chemical_list: D001466:Barium Sulfate