Oral vitamin K versus placebo to correct excessive anticoagulation in patients receiving warfarin: A randomized trial

Mark A. Crowther, Walter Ageno, David Garcia, Luqi Wang, Dan M. Witt, Nathan P. Clark, Mark D. Blostein, Susan R. Kahn, Sara K. Vesely, Sam Schulman, Michael J. Kovacs, Marc A. Rodger, Phillip Wells, David Anderson, Jeffery Ginsberg, Rita Selby, Sergio Siragusa, Mauro Silingardi, Mary Beth Dowd, Clive Kearon