4Veronin MA, Nguyen NT. Comparison of simvastatin tablets from the US and international markets obtained via the internet[J]. Ann Pharmacother, 2008, 42(5): 613-620.
5Patel R, Pate1 M. Preparation, characterization, and dissolution behavior of a solid dispersion of simvastatin with polyethylene glycol 4000 and polyvinylpyrrolidone K30[J]. JDisper Sci Technol, 2008, 29(2): 193-204.
6Janson KA. Orally disintegratable simvastatin tablets US2007087050 (A1) [P]. 2007-04-19.
7Vuleti6 M, Cindri6 M, Koruznjak JD. Identification of unknown impurities in simvastatin substance and tablets by liquid chromatography/tandem mass spectrometry[J]. J Pharrn Biomed Anal, 2005, 37(4): 715-721.
