PT - JOURNAL ARTICLE AU - Cryer, Colin AU - Langley, John D TI - Studies need to make explicit the theoretical and case definitions of injury AID - 10.1136/ip.2007.017327 DP - 2008 Apr 01 TA - Injury Prevention PG - 74--77 VI - 14 IP - 2 4099 - http://injuryprevention.bmj.com/content/14/2/74.short 4100 - http://injuryprevention.bmj.com/content/14/2/74.full SO - Inj Prev2008 Apr 01; 14