Pediatric proctology.
D000038:Abscess / Q000175:diagnosis / Q000601:surgery; D000367:Age Factors; D002648:Child; D005401:Fissure in Ano / Q000175:diagnosis / Q000601:surgery; D006484:Hemorrhoids / Q000175:diagnosis / Q000601:surgery; D006801:Humans; D012002:Rectal Diseases / Q000175:diagnosis / Q000601:surgery