RT Journal Article SR Electronic T1 Brain natriuretic peptide and shortness of breath in the emergency department JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1361 OP E1363 DO 10.1503/cmaj.170770 VO 190 IS 46 A1 Yasbanoo Moayedi A1 Edward Etchells A1 Jeremy Kobulnik A1 Heather Ross YR 2018 UL http://www.cmaj.ca/content/190/46/E1361.abstract