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Trippe BS, Shepherd MD, Coulter FC, Bhargava A, Brett J, Chu PL, Oyer DS.Trippe BS, et al.Curr Med Res Opin. 2012 Jul;28(7):1203-11. doi: 10.1185/03007995.2012.686444. Epub 2012 Jun 25.Curr Med Res Opin. 2012.PMID: 22509859Clinical Trial.