RT Journal Article SR Electronic T1 Exposure to diagnostic radiation and risk of childhood cancer: overstated risks raise unnecessary concern JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 170 OP 171 DO 10.1136/ebm1410 VO 16 IS 6 A1 Hodson, Kenneth A1 Waugh, Jason A1 Nelson-Piercy, Catherine YR 2011 UL http://ebm.bmj.com/content/16/6/170.abstract AB