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Sherwin CM, Saldaña SN, Bies RR, Aman MG, Vinks AA.Sherwin CM, et al.Ther Drug Monit. 2012 Oct;34(5):535-44. doi: 10.1097/FTD.0b013e318261c240.Ther Drug Monit. 2012.PMID: 22929407Free PMC article.