1.
sama F. Shaalan, Khalil A. El-Halafawy and Ahmed A. Raouf. EARLY DETECTION OF THE 21st CHOMOSOME TRISOMY BY AFP, β-HCG AND uE3. Pak. J. Biotechnol [Internet]. 2021 Apr. 15 [cited 2024 Nov. 23];7(1-2):91-9. Available from: https://pjbt.org/index.php/pjbt/article/view/317