Bayrak, M., and H. Ozan. “The Outcome of Colposcopy in Women Attending With Persistent Postcoital Bleeding and Negative HPV-DNA Test: Postcoital Bleeding and Negative HPV-DNA Test”. Medical Science and Discovery, vol. 8, no. 2, Feb. 2021, pp. 97-100, doi:10.36472/msd.v8i2.471.