1. Notes from the field: Respiratory diphtheria-like illness caused by toxigenic Corynebacterium ulcerans – Idaho, 2010;CDC;MMWR,2011
2. Hong NT, Phu VT, Hien TT. A study of 2597 cases of diphtheria treated at Cho Quan Hospital during 10 years (1976–85). Annual Scientific Report of Cho Quan Hospital, Vietnam; 1985:65–78.
3. Diphtheria outbreak in St. Petersburg: clinical characteristics of 1860 adult patients;Rakhmanova;Scand J Infect Dis,1996
4. Treatment of severe diphtheritic myocarditis by temporary insertion of a cardiac pacemaker;Dung;Clin Infect Dis,2002