RT Journal Article SR Electronic T1 Correction: The impact of the introduction of a formulary into a large Canadian private drug plan: an interrupted time-series analysis JF CMAJ Open JO CMAJ FD Canadian Medical Association SP E510 OP E510 DO 10.9778/cmajo.20190126 VO 7 IS 3 YR 2019 UL http://www.cmajopen.ca/content/7/3/E510.abstract AB