PT - JOURNAL ARTICLE AU - Durrant, Joan AU - Ensom, Ron TI - Physical punishment of children: lessons from 20 years of research AID - 10.1503/cmaj.101314 DP - 2012 Sep 04 TA - Canadian Medical Association Journal PG - 1373--1377 VI - 184 IP - 12 4099 - http://www.cmaj.ca/content/184/12/1373.short 4100 - http://www.cmaj.ca/content/184/12/1373.full SO - CMAJ2012 Sep 04; 184