RT Journal Article SR Electronic T1 Analyses of hazardous substances in biological materials. Volume 9 Special issues: Marker of susceptibility JF Occupational and Environmental Medicine JO Occup Environ Med FD BMJ Publishing Group Ltd SP 134 OP 134 VO 62 IS 2 A1 J Battershill YR 2005 UL http://oem.bmj.com/content/62/2/134.2.abstract AB