PT - JOURNAL ARTICLE AU - Marshall, S W AU - Guskiewicz, K M TI - Sports and recreational injury: the hidden cost of a healthy lifestyle AID - 10.1136/ip.9.2.100 DP - 2003 Jun 01 TA - Injury Prevention PG - 100--102 VI - 9 IP - 2 4099 - http://injuryprevention.bmj.com/content/9/2/100.short 4100 - http://injuryprevention.bmj.com/content/9/2/100.full SO - Inj Prev2003 Jun 01; 9