Simeonova, I., I. Mladenova, and D. Petrov. 2023. “Analysis of Registered Cases of Acute Fl Accid Paralysis in Stara Zagora District As a Part of Polio Eradication Strategy”. Acta Medica Bulgarica 50 (3): 23-28. https://doi.org/10.2478/AMB-2023-0026.