Oancea, M., Costin, N., Pop, D., Ciortea, R. and Mihu, D. (2014) “Evaluation Of Serum β-Hcg And Papp-A Levels In Pregnant Women At Risk Of Developing Preeclampsia”, Medicine and Pharmacy Reports, 86(4), pp. 347-351. Available at: https://medpharmareports.com/index.php/mpr/article/view/85 (Accessed: 3June2020).