Crison JR, et al. J Pharm Sci. 2012 May;101(5):1773-82
Wadher KJ, et al. Indian J Pharm Sci. 2011 Mar;73(2):208-15
Huo T, et al. J Pharm Biomed Anal. 2009 May 1;49(4):976-82
Setter SM, et al. Clin Ther. 2003 Dec;25(12):2991-3026
Klepser TB, et al. Am J Health Syst Pharm. 1997 Apr 15;54(8):893-903