RT Journal Article SR Electronic T1 Looking back on the history of patient safety: an opportunity to reflect and ponder future challenges JF BMJ Quality & Safety JO BMJ Qual Saf FD BMJ Publishing Group Ltd SP bmjqs-2021-014163 DO 10.1136/bmjqs-2021-014163 A1 Gordon Schiff A1 Kaveh G Shojania YR 2021 UL http://qualitysafety.bmj.com/content/early/2021/10/14/bmjqs-2021-014163.abstract AB