RT Journal Article SR Electronic T1 Adverse event reporting systems and safer healthcare JF Quality and Safety in Health Care JO Qual Saf Health Care FD BMJ Publishing Group Ltd SP 2 OP 2 DO 10.1136/qshc.2008.031997 VO 18 IS 1 A1 James B Battles A1 David P Stevens YR 2009 UL http://qualitysafety.bmj.com/content/18/1/2.abstract AB