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APA Citation
Giustozzi, M. G., Vedovati, M. C., Verso, M., Conti, S., Verdecchia, P., Bogliari, G., Pierpaoli, L., Agnelli, G., & Becattini, C. (n.d.). p2246Effectiveness and safety of oral anticoagulants in patients aged 90 years or older with atrial fibrillation. European heart journal, 39, . http://access.bl.uk/ark:/81055/vdc_100095518829.0x00003e