Mesechkova, K.; Kavrakova, A.; Georgieva, B.; Sigridov, I.; Miteva, A.; Mitev, V.; Todorova, A. Bacterial and Viral Pathogens Implicated in Female Reproductive Failure Investigated on Menstrual Blood. C. R. Acad. Bulg. Sci. 2023, 76, 394-406.