RT Journal Article SR Electronic T1 RAYMOND HUSSEY JF British Journal of Industrial Medicine JO Br J Ind Med FD BMJ Publishing Group Ltd SP 229 OP 229 DO 10.1136/oem.11.3.229-a VO 11 IS 3 A1 Lanza, A. J. YR 1954 UL http://oem.bmj.com/content/11/3/229.2.abstract AB