RT Journal Article SR Electronic T1 Attacks intended to block access to information JF Injury Prevention JO Inj Prev FD BMJ Publishing Group Ltd SP 78 OP 79 DO 10.1136/ip.2008.018622 VO 14 IS 2 A1 David W Lawrence A1 Nilam B Patel YR 2008 UL http://injuryprevention.bmj.com/content/14/2/78.abstract AB