RT Journal Article SR Electronic T1 Health and the environment. JF British Journal of Industrial Medicine JO Br J Ind Med FD BMJ Publishing Group Ltd SP 433 OP 436 DO 10.1136/oem.48.7.433 VO 48 IS 7 A1 M Lotti YR 1991 UL http://oem.bmj.com/content/48/7/433.abstract AB