Guo, X., Wang, F., Li, J., Guo, Z. and Wang, J. 2022. Prediction performance of serum placental growth factor (PLGF) human chorionic gonadotropin β (β-hCG) and PAPP-A levels in early pregnancy for pregnancy outcomes. Pakistan Journal of Medical Sciences. 38, 7 (Aug. 2022). DOI:https://doi.org/10.12669/pjms.38.7.5248.