title: Diagnosis of congenital megacolon: an analysis of 501 patients.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001466:Barium Sulfate; D001706:Biopsy; D001724:Birth Weight; D002648:Child; D002675:Child, Preschool; D003248:Constipation / Q000175:diagnosis; D004733:Enema; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008470:Meconium; D008531:Megacolon / Q000175:diagnosis*
chemical_list: D001466:Barium Sulfate