Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) ANSELL J,Pharmacology and management of the Vitamin K antagonist : American College of Chest Physicians Evidence-Based Clinical Practice Guidelines (8th Edition),Chest,,,2008,133,,S123S-A131,https://cir.nii.ac.jp/crid/1570854175044864128,