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, Apr. 2022, p. 175, doi:10.53350/pjmhs22163175.