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Bakken RJ, Paczkowski M, Kramer HP, Axelson AA, Williams DW, Malcolm SK, Sumner CR, Kelsey DK.Bakken RJ, et al.Curr Med Res Opin. 2008 Feb;24(2):449-60. doi: 10.1185/030079908x253627.Curr Med Res Opin. 2008.PMID: 18179733