PT - JOURNAL ARTICLE ED - , TI - Indexes AID - 10.2310/6650.2005.53809 DP - 2005 Dec 01 TA - Journal of Investigative Medicine PG - 440--446 VI - 53 IP - 8 4099 - http://jim.bmj.com/content/53/8/440.short 4100 - http://jim.bmj.com/content/53/8/440.full SO - J Investig Med2005 Dec 01; 53