RT Journal Article SR Electronic T1 Stroke pioneer changed prevention, treatment JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1244 OP E1245 DO 10.1503/cmaj.1095452 VO 189 IS 39 A1 Michelle Chakraborti YR 2017 UL http://www.cmaj.ca/content/189/39/E1244.abstract