Alharbi, Homood, Abdualrahman Saeed Alshehry, Ahmed Alsadoun, Mohammad Ahmad, and Mustafa Sawsan Aloahd. “Exploring the Prognostic Significance of β-HCG Levels in Cervicovaginal Secretions and Maternal Risk Factors for Early Birth: β-HCG Levels and Maternal Risk Factors in Preterm Delivery”. Cellular and Molecular Biology 70, no. 2 (February 29, 2024): 38–43. Accessed May 11, 2024. https://cellmolbiol.org/index.php/CMB/article/view/5242.