PT - JOURNAL ARTICLE AU - F D K Liddell TI - Joint action of smoking and asbestos exposure on lung cancer AID - 10.1136/oem.59.7.494-a DP - 2002 Jul 01 TA - Occupational and Environmental Medicine PG - 494--495 VI - 59 IP - 7 4099 - http://oem.bmj.com/content/59/7/494.2.short 4100 - http://oem.bmj.com/content/59/7/494.2.full SO - Occup Environ Med2002 Jul 01; 59