Sybil Rose, Rana Muhammad Athar Azeem Shams, Ambreen Sadaf, Sana Ali, Umair Ahsan, “Evaluating the Frequency of Infertility in Retroverted Versus Anteverted Uterus Using Ultrasound”, Pakistan Journal of Medical & Health Sciences, vol. 16, no. 03, p. 175, Apr. 2022.