RT Journal Article SR Electronic T1 Medical warnings reduce older drivers’ risk of motor vehicle injury while adversely affecting mental health and physician relationship JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 153 OP 154 DO 10.1136/eb-2012-101116 VO 18 IS 4 A1 Guohua Li A1 Thelma J Mielenz YR 2013 UL http://ebm.bmj.com/content/18/4/153.abstract AB