PT - JOURNAL ARTICLE AU - B Pless TI - Injury prevention and occupational safety: four questions, three answers AID - 10.1136/ip.7.suppl_1.i68 DP - 2001 Sep 01 TA - Injury Prevention PG - i68--i72 VI - 7 IP - suppl 1 4099 - http://injuryprevention.bmj.com/content/7/suppl_1/i68.short 4100 - http://injuryprevention.bmj.com/content/7/suppl_1/i68.full SO - Inj Prev2001 Sep 01; 7