RT Journal Article SR Electronic T1 Time out! Rethinking surgical safety: more than just a checklist JF BMJ Quality & Safety JO BMJ Qual Saf FD BMJ Publishing Group Ltd SP bmjqs-2020-012600 DO 10.1136/bmjqs-2020-012600 A1 Matthew B Weinger YR 2021 UL http://qualitysafety.bmj.com/content/early/2021/03/22/bmjqs-2020-012600.abstract AB