Kumar, V. and Shah, R.P., (2008) LC and LC–MS methods for the investigation of polypills for the treatment of cardiovascular diseases: Part 1. Separation of active components and classification of their interaction/degradation products. Saranjit Singh Journal of Pharmaceutical and Biomedical Analysis, 47(3), 508-515.
 Chaudhari, B.G., Patel, N.M., Shah, P.B. and Modi, K.P. (2006) Development and validation of a HPTLC method for the simultaneous estimation of atorvastatin calcium and ezetimibe. Indian Journal of pharamaceutical Science, 68(6), 793-796.
 Jain, N. and Raghuwanshi, R. (2008) Development and validation of RP-HPTLC method for simultaneous estimation of atorvastatin calcium and fenofibrate in tablet dosage forms. Deepti Jain Indian Journal of pharmaceutical Science, 70(2), 263-265.
 Jemal, M., Ouyang, Z. and Powell, M.L.(2000) A strategy for a post-method-validation use of incurred biological samples for establishing the acceptability of a liquid chromatography/tandem mass-spectrometric method for quantitation of drugs in biological samples. Journal Pharm Biomed Anal, 16(16), 1538-1547.
 Nirogi, R., Mudigonda, K. and Kandikere, V. (2004) Chromatography–mass spectrometry methods for the quantitation of statins in biological samples. Journal of pharmaceutical and Biomedical Analysis. 44, 379-387.
 Pfuhl, P., Karcher, U., Haring, N., Baumeister, A., Tawab, M.A. and Schubert-Zsilaveez, M. (2005) Simultaneous Determination of Niacin, Niacinamide and Nicotinuric Acid in Human Plasma. Journal of Pharmaceutical and Biomedical Analysis, 36(5), 1045-1052.
 Pasternak, R.C., Smith, S.C.J., Merz, C.N.B., Grundy, S.M., Cleeman, J.I. and Lenfant, C. (2002) ACC/ AHA/ NHLBI clinical advisory on the use and safety of statins. Journal Of The American Heart Association, 40, 567-572.
 Ashfaq, M., Khan, I.U., Quatab, S.S. and Razz, S.N. (2007) Hplc determination of ezetimibe and simvastatin in pharmaceutical formulations. Journal of the Chilean Chemical Society, 52(3), 1220-1224.
 Ashfaq, M., Khan, I.U. and Asghar, M.N. (2008) Development and Validation of Liquid Chromatographic Method for Gemfibrozil and Simvastatin in Binary Combination. Journal of the Chilean Chemical Society, 53(3), 1617-1619.
 Basavaiah, K. and Tharpa, K. (2008) The development and validation of visible spectrophotometric methods for simvastatin determination in pure and the tablet dosage forms. Chemical Industry and Chemical Engineering Quarterly, 14(3), 205-210.
 Brown, G.B., Zhao, X.-Q., Chait, A., Fisher, L.D., Cheung, M.C., Morese, J.S., Dowdy, A.A., Marino, E.K., Bolson, E.L., Alaupovic, P., Frohlich, J. and Albers, J.J. (2001) Simvastatin and niacin, antioxidant vitamins, or the combination for the prevention of coronary disease. The New England Journal of Medicine, 345(22), 1583-1592.
 I.C.H (Q2A) (1994) Note for guidance on validation of analytical methods, definition and terminology. International Conference on Harmonization, Human Medicines Evaluation Unit, the European Agency for the Evaluation of Medicinal Products.