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James IG, Campbell LM, Harrison JM, Fell PJ, Ellers-Lenz B, Petzold U.James IG, et al. Among authors: fell pj.Curr Med Res Opin. 2003;19(4):313-20. doi: 10.1185/030079903125001785.Curr Med Res Opin. 2003.PMID: 12841924Clinical Trial.