Ristanović, Elizabeta, Ana Gligić, Sonja Atanasievska, Vesna Protić-Djokić, Dragutin Jovanović, and Miodrag Radunović. “Smallpox As Actual Biothreat: Lessons Learned from Its Outbreak in Ex-Yugoslavia in 1972”. Annali dell’Istituto Superiore di Sanità 52, no. 4 (November 14, 2017): 587–597. Accessed November 21, 2024. https://annali.iss.it/index.php/anna/article/view/444.