Correlation of findings at barium enema examination, rectoscopy and biopsy of rectum.
D001466:Barium Sulfate; D001706:Biopsy; D004724:Endoscopy; D004733:Enema; D006801:Humans; D012002:Rectal Diseases / Q000175:diagnosis*; D012004:Rectal Neoplasms / Q000175:diagnosis*
D001466:Barium Sulfate