Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) ODENDAAL HJ,Aggressive or expectant management for patients with severe preeclampsia between 28-34 weeks' gestation : A randomized controlled trial,Obstet Gynecol,,,1990,76,,1070-1075,https://cir.nii.ac.jp/crid/1570291225010330240,