RT Journal Article SR Electronic T1 Improper disposal of medical waste costs health systems and the environment JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E518 OP E519 DO 10.1503/cmaj.1096046 VO 195 IS 14 A1 Diana Duong YR 2023 UL http://www.cmaj.ca/content/195/14/E518.abstract