PT - JOURNAL ARTICLE AU - M MacKay TI - Playground injuries AID - 10.1136/ip.9.3.194 DP - 2003 Sep 01 TA - Injury Prevention PG - 194--196 VI - 9 IP - 3 4099 - http://injuryprevention.bmj.com/content/9/3/194.short 4100 - http://injuryprevention.bmj.com/content/9/3/194.full SO - Inj Prev2003 Sep 01; 9