van Doorn S, Rutten FH, Geersing GJ. Response by van Doorn et al to Letters Regarding Article, "Safety of Switching
From a Vitamin K Antagonist to a Non-Vitamin K Antagonist Oral Anticoagulant in
Frail Older Patients With Atrial Fibrillation: Results of the FRAIL-AF Randomized
Controlled Circulation 2024;150:e30-e32.
PMID: 38976611
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