RT Journal Article SR Electronic T1 Group A streptococcus JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 521 OP 521 DO 10.1503/cmaj.115-0032 VO 187 IS 7 A1 Andre C. Piver YR 2015 UL http://www.cmaj.ca/content/187/7/521.3.abstract