R. Phianpiset, B. Phattanachindakun, and D. Boriboonhirunsarn, “Prevalence, Risk Factors, and Pregnancy Outcomes of Early-onset Severe Preeclampsia among Severe Preeclamptic Women in Siriraj Hospital”, Thai J Obstet Gynaecol, vol. 25, no. 1, pp. 26–34, Mar. 2017.