title: A diagnostic approach to childhood back pain.
mesh_terms: D000293:Adolescent; D000328:Adult; D001416:Back Pain / Q000209:etiology*; D001847:Bone Diseases / Q000150:complications / Q000175:diagnosis; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male