RT Journal Article SR Electronic T1 How Canadian hospitals are decreasing carbon emissions JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E594 OP E594 DO 10.1503/cmaj.1096048 VO 195 IS 16 A1 Duong, Diana YR 2023 UL http://www.cmaj.ca/content/195/16/E594.abstract