RT Journal Article SR Electronic T1 Hoarseness of unclear origin may be a sign of cerebrovascular disease and herald impending recurrent brainstem stroke JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1088 OP E1088 DO 10.1503/cmaj.70005 VO 190 IS 36 A1 Fraser, J. Alexander YR 2018 UL http://www.cmaj.ca/content/190/36/E1088.abstract