Vohra, S., Tyagi, M., Gupta, S., & Khanuja, E. (2020). Comparative study of hysteroscopy, hysterosalpingography and transvaginal sonography in evaluation of the female infertility. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 9(2), 524–527. https://doi.org/10.18203/2320-1770.ijrcog20196070