Todorov, Velislav, Maria Boycheva, and Milen Boichev. 2023. “BLOOD GROUP AFFILIATION OF THE CONTEMPORARY BULGARIAN POPULATION FROM THE AREA OF SHUMEN: BLOOD GROUP AFFILIATION OF THE CONTEMPORARY BULGARIAN POPULATION FROM THE AREA OF SHUMEN”. JOURNAL SCIENTIFIC AND APPLIED RESEARCH 21 (1):5-8. https://doi.org/10.46687/jsar.v21i1.312.