RT Journal Article SR Electronic T1 Exposure assessment in ergonomic epidemiology: is there something specific to the assessment of biomechanical exposures? JF Occupational and Environmental Medicine JO Occup Environ Med FD BMJ Publishing Group Ltd SP 143 OP 144 DO 10.1136/oem.2004.017889 VO 62 IS 3 A1 Leclerc, A YR 2005 UL http://oem.bmj.com/content/62/3/143.abstract AB