RT Journal Article SR Electronic T1 Mercury from dental amalgam: looking beyond the average JF Occupational and Environmental Medicine JO Occup Environ Med FD BMJ Publishing Group Ltd SP 352 OP 353 DO 10.1136/oem.2004.018911 VO 62 IS 6 A1 Barregard, L YR 2005 UL http://oem.bmj.com/content/62/6/352.abstract AB