Safia Jan, Shahida Karamat, Parveen Azam, Palwasha Nasrullah, Qaiser Javed, Shafaq Mahmood, Jamshed Khan. “Diagnostic ACCURACY of SERUM β-Hcg in Threatened Miscarriages Keeping Ultrasound As Gold Standard”. Pakistan Journal of Medical & Health Sciences 17, no. 05 (May 30, 2023): 732. Accessed December 5, 2025. https://www.pjmhsonline.com/index.php/pjmhs/article/view/6206.