Tiwari, A., P. B. Hiremath, N. R. Indu, Jayashree, and Shaheen. “Mystery of a Missing Cu-T: A Case Report”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 14, no. 3, Feb. 2025, pp. 922-5, doi:10.18203/2320-1770.ijrcog20250531.