<style face="normal" font="default" size="100%">Respiratory tract infection and risk of bleeding in oral anticoagulant users: self-controlled case series</style>

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31<style face="normal" font="default" size="100%">Respiratory tract infection and risk of bleeding in oral anticoagulant users: self-controlled case series</style><style face="normal" font="default" size="100%">Respiratory tract infection and risk of bleeding in oral anticoagulant users: self-controlled case series</style>