Reflex anal dilatation and sexual abuse.
D001003:Anal Canal / Q000503:physiopathology*; D002648:Child; D002650:Child Abuse, Sexual / Q000175:diagnosis*; D002675:Child, Preschool; D003248:Constipation / Q000503:physiopathology*; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D012018:Reflex / Q000502:physiology