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Antithrombotic approach to patients admitted for covid-19 with prior anticoagulant therapy. AF, atrial fibrillation; CrCl, creatinine clearance; DOAC, direct-acting oral anticoagulant; INR, international normalized ratio; LMWH, low-molecular-weight heparin; OAC, oral anticoagulation; VKA, vitamin K antagonists; VTE, venous thromboembolic disease.
