RT Journal Article SR Electronic T1 Medical apps for smartphones: lack of evidence undermines quality and safety JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 90 OP 92 DO 10.1136/eb-2012-100885 VO 18 IS 3 A1 Arthur Willem Gerard Buijink A1 Benjamin Jelle Visser A1 Louise Marshall YR 2013 UL http://ebm.bmj.com/content/18/3/90.abstract AB