Gabbasova Nataliya V., Voronezh State Medical University named after N.N. Burdenko Voronezh, Russian Federation, 394036 Natalia_gabb@mail.ru Том 94, № 9 (2015) The effectiveness of vaccination against diphtheria in the Voronezh region Аннотация ISSN: 0016-9900 (Print)ISSN: (Online)