Sedhain, Nesuma, et al. “Comparison of Urine Protein Creatinine Ratio and 24 Hours Urine Protein in Detecting Preeclampsia”. Nepal Journal of Obstetrics and Gynaecology, vol. 14, no. 2, Dec. 2019, pp. 49-53, https://nepjol.info/index.php/NJOG/article/view/28439.