Todorov, Velislav, Maria Boycheva, Cvetan Minkov, Volodia Georgiev, and Milen Boichev. “BLOOD-GROUP ABO AND RHESUS FACTOR SYSTEMS DISTRIBUTION IN INDIVIDUALS OF VIETNAMESE NATIONALITY: BLOOD-GROUP ABO AND RHESUS FACTOR SYSTEMS DISTRIBUTION IN INDIVIDUALS OF VIETNAMESE NATIONALITY”. JOURNAL SCIENTIFIC AND APPLIED RESEARCH 12, no. 1 (March 19, 2023): 74–78. Accessed November 22, 2024. https://jsar.ftn.shu.bg/ojs-3.3.0-7/index.php/jsar/article/view/229.