RT Journal Article SR Electronic T1 Cell phones and choice architecture JF Injury Prevention JO Inj Prev FD BMJ Publishing Group Ltd SP 289 OP 290 DO 10.1136/ip.2009.024455 VO 15 IS 5 A1 Brian D Johnston YR 2009 UL http://injuryprevention.bmj.com/content/15/5/289.abstract AB