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Chu KA, Yalkowsky SH.Chu KA, et al. Among authors: yalkowsky sh.Int J Pharm. 2009 May 21;373(1-2):24-40. doi: 10.1016/j.ijpharm.2009.01.026. Epub 2009 Feb 12.Int J Pharm. 2009.PMID: 19429285