Bharatnur, S., and T. Shetty. “Endometrial Thickness in Perimenopausal Women With Abnormal Uterine Bleeding”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 12, no. 11, Oct. 2023, pp. 3369-72, doi:10.18203/2320-1770.ijrcog20233311.