RT Journal Article SR Electronic T1 Simplified approach to stress-first nuclear myocardial perfusion imaging: implementation of Choosing Wisely recommendations JF BMJ Open Quality JO BMJ Open Qual FD British Medical Journal Publishing Group SP e000352 DO 10.1136/bmjoq-2018-000352 VO 8 IS 2 A1 David Winchester A1 Randy Jeffrey A1 David Wymer A1 Vicente Taasan A1 Anita Wokhlu YR 2019 UL http://bmjopenquality.bmj.com/content/8/2/e000352.abstract AB