H. Shahzad, A. John, A. Ali, A. Ashraf, and M. Ahmad Naeem, “Incidence of infertility in females and Evaluation of its Causes Using Ultrasonography: Incidence and Causes of Infertility in Females”, PBMJ, vol. 5, no. 4, pp. 55–58, Apr. 2022, doi: 10.54393/pbmj.v5i4.342.