RT Journal Article SR Electronic T1 OEM’s impact factor reaches a new high JF Occupational and Environmental Medicine JO Occup Environ Med FD BMJ Publishing Group Ltd SP 578 OP 578 DO 10.1136/oem.2008.042242 VO 65 IS 9 A1 Palmer, Keith A1 Loomis, Dana YR 2008 UL http://oem.bmj.com/content/65/9/578.abstract AB