title: Child abuse in Polk County: investigation results and injury patterns.
authors.forename: C J
authors.initials: CJ
authors.lastname: Ellerbroek
mesh_terms: D002649:Child Abuse / Q000175:diagnosis / Q000453:epidemiology; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007484:Iowa; D014947:Wounds and Injuries / Q000473:pathology