title: Child sexual abuse.
mesh_terms: D000293:Adolescent; D000328:Adult; D001003:Anal Canal / Q000502:physiology; D002648:Child; D002650:Child Abuse, Sexual; D002675:Child, Preschool; D003248:Constipation / Q000175:diagnosis; D003937:Diagnosis, Differential; D004106:Dilatation; D006801:Humans; D007223:Infant; D010808:Physical Examination; D012018:Reflex / Q000502:physiology; D012749:Sexually Transmitted Diseases / Q000635:transmission