TY - JOUR T1 - Fatal respiratory diphtheria in a visitor to Canada JF - Canadian Medical Association Journal JO - CMAJ SP - E19 LP - E22 DO - 10.1503/cmaj.200707 VL - 193 IS - 1 AU - Scott Cholewa AU - Fareen Karachiwalla AU - Sarah E. Wilson AU - Jeya Nadarajah AU - Julianne V. Kus Y1 - 2021/01/04 UR - http://www.cmaj.ca/content/193/1/E19.abstract ER -