The Association of Preinfection Daily Oral Anticoagulation Use and All-Cause in Hospital Mortality From Novel Coronavirus 2019 at 21 Days: A Retrospective Cohort Study oleh Raquel F. Harrison, MD, Kenneth Forte, MSN, Michael G. Buscher, Jr, DO, Adam Chess, MS, Amitkumar Patel, MS, Tatiana Moylan, MD, Charles Haviland Mize, MD, Michael Werdmann, MD, Rockman Ferrigno, MD