RT Journal Article SR Electronic T1 Physician leadership and system redesign needed to scale same-day discharge hip and knee arthroplasty JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E408 OP E408 DO 10.1503/cmaj.74921 VO 192 IS 15 A1 Bert Lauwers A1 Jon Hummel A1 Mark Glube A1 Fred Go YR 2020 UL http://www.cmaj.ca/content/192/15/E408.abstract