RT Journal Article SR Electronic T1 Importance of updating old cohorts for new findings JF Occupational and Environmental Medicine JO Occup Environ Med FD BMJ Publishing Group Ltd SP 311 OP 312 DO 10.1136/oemed-2016-103981 VO 74 IS 5 A1 Harri Vainio A1 Elisabete Weiderpass YR 2017 UL http://oem.bmj.com/content/74/5/311.abstract AB