Goel, Alka, Pooja Gupta, Akansha Singh, and Khushboo Singh. 2019. “Endometrial Evaluation With Methylene Blue Staining in Patients With Normal Hysteroscopy”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 8 (7):2715-19. https://doi.org/10.18203/2320-1770.ijrcog20193031.