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Cassileth BR, Deng GE, Gomez JE, Johnstone PA, Kumar N, Vickers AJ; American College of Chest Physicians.Cassileth BR, et al.Chest. 2007 Sep;132(3 Suppl):340S-354S. doi: 10.1378/chest.07-1389.Chest. 2007.PMID: 17873179