Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MUNN MB,Comparison of two oxytocin regimens to prevent uterine atony at cesarean delivery : a randomized controlled trial,Obstet Gynecol,,,2001,98,,386-390,https://cir.nii.ac.jp/crid/1574231875463880064,