RT Journal Article SR Electronic T1 Polymyalgia rheumatica JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1770 OP E1770 DO 10.1503/cmaj.210541 VO 193 IS 46 A1 Hans Rosenberg A1 Samantha Halman A1 Krishan Yadav YR 2021 UL http://www.cmaj.ca/content/193/46/E1770.abstract