RT Journal Article SR Electronic T1 Cerebral symptoms from mobile telephones JF Occupational and Environmental Medicine JO Occup Environ Med FD BMJ Publishing Group Ltd SP 431 OP 431 DO 10.1136/oem.57.6.431 VO 57 IS 6 A1 R A F COX A1 LINDA M LUXON YR 2000 UL http://oem.bmj.com/content/57/6/431.1.abstract AB