PT - JOURNAL ARTICLE AU - Palmer, Keith TI - Work in brief DP - 2004 May 01 TA - Occupational and Environmental Medicine PG - 383--383 VI - 61 IP - 5 4099 - http://oem.bmj.com/content/61/5/383.2.short 4100 - http://oem.bmj.com/content/61/5/383.2.full SO - Occup Environ Med2004 May 01; 61