RT Journal Article SR Electronic T1 Fatal respiratory diphtheria in a visitor to Canada JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E19 OP E22 DO 10.1503/cmaj.200707 VO 193 IS 1 A1 Cholewa, Scott A1 Karachiwalla, Fareen A1 Wilson, Sarah E. A1 Nadarajah, Jeya A1 Kus, Julianne V. YR 2021 UL http://www.cmaj.ca/content/193/1/E19.abstract