[2 observations of esophageal achalasia in children].
D000293:Adolescent; D002648:Child; D004931:Esophageal Achalasia / Q000000981:diagnostic imaging / Q000503:physiopathology*; D006801:Humans; D008297:Male; D011859:Radiography
Dva sposterezhennia akhalaziĭ stravokhodu u diteĭ