TY - JOUR T1 - Book reviews JF - British Journal of Industrial Medicine JO - Br J Ind Med SP - 140 LP - 140 DO - 10.1136/oem.42.2.140 VL - 42 IS - 2 AU - A G Salmon Y1 - 1985/02/01 UR - http://oem.bmj.com/content/42/2/140.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -