RT Journal Article SR Electronic T1 Opioid prescriptions down but some patients fear doctors now too strict JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E546 OP E547 DO 10.1503/cmaj.109-5748 VO 191 IS 19 A1 Brian Owens YR 2019 UL http://www.cmaj.ca/content/191/19/E546.abstract