title: 50 Years ago in the Journal of Pediatrics: rectal biopsy as an aid in the diagnosis of diseases of infants and children.
authors: Division of General and Thoracic Surgery, Hospital for Sick Children and University of Toronto, Toronto, Ontario, Canada.
authors: Jacob C
authors: JC
authors: Langer
mesh_terms: D001706:Biopsy; D002648:Child; D006627:Hirschsprung Disease / Q000473:pathology*; D006801:Humans; D007223:Infant; D012007:Rectum / Q000473:pathology*