![Epidemiology of Epidemic Diphtheria in Three Regions, Russia, 1994-1996]()
Epidemiology of Epidemic Diphtheria in Three Regions, Russia, 1994-1996C. R. Vitek, S. P. Brisgalov, V. Y. Bragina, A. M. Zhilyakov, K. M. Bisgard, M. Brennan, O. N. Kravtsova, B. D. Lushniak, R. Lyerla, S. S. Markina and P. M. Strebel · European Journal of Epidemiology · 1999