PT - JOURNAL ARTICLE AU - Keith Palmer TI - Work in brief DP - 2005 Mar 01 TA - Occupational and Environmental Medicine PG - 141--141 VI - 62 IP - 3 4099 - http://oem.bmj.com/content/62/3/141.2.short 4100 - http://oem.bmj.com/content/62/3/141.2.full SO - Occup Environ Med2005 Mar 01; 62