title: Young Child With Abdominal and Back Pain.
authors.affiliation: Division of Emergency Medicine, Boston Children's Hospital, Boston, MA.
authors.forename: Susan C
authors.initials: SC
authors.lastname: Lipsett
authors.affiliation: Division of Emergency Medicine, Boston Children's Hospital, Boston, MA.
authors.forename: Mark I
authors.initials: MI
authors.lastname: Neuman
mesh_terms: D015746:Abdominal Pain / Q000209:etiology*; D001416:Back Pain / Q000209:etiology*; D002675:Child, Preschool; D005260:Female; D006801:Humans; D011014:Pneumonia / Q000150:complications / Q000000981:diagnostic imaging*; D011859:Radiography