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Banerjee A, Lane DA, Torp-Pedersen C, Lip GY.Banerjee A, et al.Thromb Haemost. 2012 Mar;107(3):584-9. doi: 10.1160/TH11-11-0784. Epub 2011 Dec 21.Thromb Haemost. 2012.PMID: 22186961