title: Investigation of rectal bleeding.
authors.affiliation: Royal Hospital for Sick Children, Yorkhill, Glasgow.
authors.forename: P A
authors.initials: PA
authors.lastname: Raine
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D012002:Rectal Diseases / Q000175:diagnosis*