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Possible associations between incidence of tuberculosis in Varna region and from the effects of BCG vaccine // Възможни асоциации между заболеваемостта от туберкулоза в регион Варна и ефекта от приложената BCG ваксина
(2013)
[EN] One of the oldest diseases of humanity, the tuberculosis, still continues to be a great challenge. Bulgaria has an average level of tuberculosis incidence and in spite of the mandatory BCG immunization, a slight ...