RT Journal Article SR Electronic T1 Industrial Accidents Sickness and Other Absences JF British Journal of Industrial Medicine JO Br J Ind Med FD BMJ Publishing Group Ltd SP 332 OP 332 DO 10.1136/oem.20.4.332 VO 20 IS 4 A1 Elliott, C. K. YR 1963 UL http://oem.bmj.com/content/20/4/332.1.abstract AB