AB Hussain, SMY Farooq, S. Qayyum, M. Yousaf, SB Hussain, MZU Abidin, P Jalal, L Arif, A. Ramzan, H. Noor, M. Suhail, SM Ammar. “Evaluation of Ultrasonography in Various Causes of Pelvic Pain in First Trimester of Pregnancy”. Pakistan Journal of Medical & Health Sciences, vol. 16, no. 09, Oct. 2022, p. 29, doi:10.53350/pjmhs2216929.