Todorov V, Boycheva M, Boichev M. 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. JSAR [Internet]. 2023 Mar. 25 [cited 2024 Nov. 7];21(1):5-8. Available from: https://jsar.ftn.shu.bg/index.php/jsar/article/view/312