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Hitt CM, Patel KB, Nicolau DP, Zhu Z, Nightingale CH.Hitt CM, et al. Among authors: nicolau dp.Am J Health Syst Pharm. 1997 Dec 1;54(23):2704-8. doi: 10.1093/ajhp/54.23.2704.Am J Health Syst Pharm. 1997.PMID: 9408514Clinical Trial.