RT Journal Article SR Electronic T1 Better sleep, better health for shift workers JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E35 OP E35 DO 10.1503/cmaj.109-5202 VO 188 IS 2 A1 Becky Rynor YR 2016 UL http://www.cmaj.ca/content/188/2/E35.abstract