PT - JOURNAL ARTICLE AU - Leonard T. Kurland TI - Definitions of Cerebral Palsy and Their Role in Epidemiologic Research AID - 10.1212/WNL.7.9.641 DP - 1957 Sep 01 TA - Neurology PG - 641--641 VI - 7 IP - 9 4099 - http://n.neurology.org/content/7/9/641.short 4100 - http://n.neurology.org/content/7/9/641.full SO - Neurology1957 Sep 01; 7