RT Journal Article SR Electronic T1 Occupational mortality studies: still relevant in the 21st century JF Occupational and Environmental Medicine JO Occup Environ Med FD BMJ Publishing Group Ltd SP 802 OP 803 DO 10.1136/oem.2009.054627 VO 67 IS 12 A1 Andrea 't Mannetje A1 Neil Pearce YR 2010 UL http://oem.bmj.com/content/67/12/802.abstract AB