Trivedi, F. J., K. J. Deliwala, D. J. Deliwala, and S. V. Patel. “FIGO Classification System (PALM-COEIN) for Causes of Abnormal Uterine Bleeding in Non-Gravid Women”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 13, no. 5, Apr. 2024, pp. 1140-3, doi:10.18203/2320-1770.ijrcog20241055.