RT Journal Article SR Electronic T1 Epilogue JF Occupational and Environmental Medicine JO Occup Environ Med FD BMJ Publishing Group Ltd SP i105 OP i106 DO 10.1136/oem.60.suppl_1.i105 VO 60 IS suppl 1 A1 G Swaen A1 F Van Dijk YR 2003 UL http://oem.bmj.com/content/60/suppl_1/i105.abstract AB