Regional approach to poison control.
D001296:Audiovisual Aids; D002410:Catholicism; D002648:Child; D004636:Emergency Service, Hospital; D006266:Health Education; D006285:Health Planning; D006782:Hospitals, Special; D006801:Humans; D007087:Illinois; D008923:Missouri; D010372:Pediatrics; D010414:Pennsylvania; D011039:Poison Control Centers; D011041:Poisoning / Q000628:therapy; D012068:Religion and Medicine