Todorov, V. .; Boycheva, M. .; Georgiev, V. .; Minkov, C. .; Boichev, M. .; Georgieva, R. . ESOPHAGEAL CARCINOMA AND BLOOD GROUP AFFILIATION: ESOPHAGEAL CARCINOMA AND BLOOD GROUP AFFILIATION. JSAR 2023, 13, 46-51.