PT - JOURNAL ARTICLE AU - Mira Hidajat AU - Damien Martin McElvenny AU - Peter Ritchie AU - Andrew Darnton AU - William Mueller AU - Martie van Tongeren AU - Raymond M Agius AU - John W Cherrie AU - Frank de Vocht TI - Healthy worker effects explain differences in internal and external comparisons in a rubber industry cohort study AID - 10.1136/oemed-2019-106083 DP - 2019 Oct 01 TA - Occupational and Environmental Medicine PG - 781--781 VI - 76 IP - 10 4099 - http://oem.bmj.com/content/76/10/781.short 4100 - http://oem.bmj.com/content/76/10/781.full SO - Occup Environ Med2019 Oct 01; 76