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Polster M, Zanutto E, McDonald S, Conner C, Hammer M.Polster M, et al.J Med Econ. 2010;13(4):655-61. doi: 10.3111/13696998.2010.529377. Epub 2010 Nov 1.J Med Econ. 2010.PMID: 21034377Free article.
Buysman E, Conner C, Aagren M, Bouchard J, Liu F.Buysman E, et al.Curr Med Res Opin. 2011 Sep;27(9):1709-17. doi: 10.1185/03007995.2011.598500. Epub 2011 Jul 11.Curr Med Res Opin. 2011.PMID: 21740289
Lee WC, Conner C, Hammer M.Lee WC, et al.Curr Med Res Opin. 2011 May;27(5):897-906. doi: 10.1185/03007995.2011.559444. Epub 2011 Feb 25.Curr Med Res Opin. 2011.PMID: 21348806Clinical Trial.