title: A 21-month-old girl with hematochezia.
authors.affiliation: U.S. Navy Nurse Corps, San Diego, Calif., USA.
authors.forename: Jacqueline D
authors.initials: JD
authors.lastname: Rychnovsky
mesh_terms: D003108:Colonic Diseases / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D009780:Occult Blood