RT Journal Article SR Electronic T1 The problem with preventable deaths JF BMJ Quality & Safety JO BMJ Qual Saf FD BMJ Publishing Group Ltd SP 320 OP 323 DO 10.1136/bmjqs-2015-004983 VO 25 IS 5 A1 Hogan, Helen YR 2016 UL http://qualitysafety.bmj.com/content/25/5/320.abstract AB