“Serum SFlt-1 PlGF Ratio As an Early Predictor of Preeclampsia in High-Risk Pregnancies Between 20–28 Weeks of Gestation: A Prospective Observational Study”. Global Journal of Medical and Pharmaceutical Sciences, vol. 1, no. 1, June 2023, pp. 27-34, http://www.globapc.com/index.php/gjmps/article/view/22.