RT Journal Article SR Electronic T1 AGING WORKERS JF Occupational and Environmental Medicine JO Occup Environ Med FD BMJ Publishing Group Ltd SP 546 OP 546 DO 10.1136/oem.58.8.546 VO 58 IS 8 A1 Juhani E Ilmarinen YR 2001 UL http://oem.bmj.com/content/58/8/546.abstract AB