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You JJ, Singer DE, Howard PA, Lane DA, Eckman MH, Fang MC, Hylek EM, Schulman S, Go AS, Hughes M, Spencer FA, Manning WJ, Halperin JL, Lip GYH.You JJ, et al. Among authors: spencer fa.Chest. 2012 Feb;141(2 Suppl):e531S-e575S. doi: 10.1378/chest.11-2304.Chest. 2012.PMID: 22315271Free PMC article.