RT Journal Article SR Electronic T1 Multiple metal exposures and renal effect: their magnitude of contribution JF Occupational and Environmental Medicine JO Occup Environ Med FD BMJ Publishing Group Ltd SP 154 OP 154 DO 10.1136/oemed-2013-101698 VO 71 IS 2 A1 Tomoyuki Kawada YR 2014 UL http://oem.bmj.com/content/71/2/154.1.abstract AB