RT Journal Article SR Electronic T1 The Zen of quality improvement: the waves and the tide form a unity JF BMJ Quality & Safety JO BMJ Qual Saf FD BMJ Publishing Group Ltd SP 297 OP 298 DO 10.1136/bmjqs-2015-004842 VO 25 IS 5 A1 Charles L Bosk YR 2016 UL http://qualitysafety.bmj.com/content/25/5/297.abstract AB