Eman Adel Bastawi, Mohamed M. Shaaban, Eman Ahmed Keshk, and Asmaa M. Elgedawy. 2023. “The Yolk Sac Abnormalities, Maternal Serum Level of Cancer Antigen 125 (CA-125) and Beta Human Chorionic Gonadotropin (B-HCG) As an Early Predictors of First Trimester Pregnancy Loss in Patients With Threatened Miscarriage”. Journal of Advanced Zoology 44 (S6):1205-13. https://doi.org/10.17762/jaz.v44iS6.2405.