G. Sanz and V. Fuster, “Fixed-Dose Combination Therapy and Secondary Cardiovascular Prevention: Rationale, Selection of Drugs and Target Population,” Nature Clin-ical Practice Cardiovascular Medicine, Vol. 6, No. 2, 2009), pp. 101-110. doi:10.1038/ncpcardio1419
 V. Kumar, R. P. Shah and S. Singh, “LC and LC–MS Methods for the Investigation of Polypills for the Treat-ment of Cardiovascular Diseases: Part.1 Separation of Active Compo,” Journal of Pharmaceutical and Biomed-ical Analysis, Vol. 47, 2008, pp. 508-515. doi:10.1016/j.jpba.2008.01.041
 D. G. Julian, D. A. Chamberlain and S. J. Pocock, “A Comparison of Aspirin and Anticoagulation Following Thrombolysis for Myocardial Infarction (the AFTER Study): A Multicentre Unblinded Randomized Clinical Trial,” BMJ (British Medical Journal), Vol. 313, No. 7070, 1996, pp. 1429-1431.
 J. W. Nawrocki, S. R. Weiss, M. H. Davidson, D. L. Sprecher, S. L. Schwartz, P. J. Lupien, P. H. Jones, H. E. Haber, et al., “Reduction of LDL Cholesterol by 25% to 60% in Patients with Primary Hypercholesterolemia by Atorvastatin, a New HMG-CoA Reductase Inhibitor,” Arteriosclerosis, Thrombosis, and Vascular Biology, Vol. 15, No. 5, May 1995, pp. 678-682. doi:10.1161/01.ATV.15.5.678
 L. Pilot, M. Abrahamowicz, M. Eisenberg, K. Humphries, H. Behlouli and J. V. Tu, “Effect of Different Angioten-sin-Converting-Enzyme Inhibitors on Mortality among Elderly Patients with Congestive Heart Failure,” Canadian Medical Association Journal, Vol. 178, No. 10, 2008, pp. 1303-1311. doi:10.1503/cmaj.060068
 Q. Zhang, H. Jin, L. Wang, J. Chen, C. Tang and J. Du, “Randomized Comparison of Metoprolol Versus Con-ventional Treatment in Preventing Recurrence of Vaso-vagal Syncope in Children and Adolescents,” International Medical Journal of Experimental and Clinical Research, Vol. 14, No. 4, pp. 199-203.
 E. R. Montgomery, S. Taylor, J. Segretario, et al., “De-velopment and Validation of a Reversed-Phase Liquid Chromatographic Method for Analysis of Aspirin and Warfarin in a Combination Tablet Formulation,” Journal of Pharmaceutical and Biomedical Analysis, Vol. 15, No. 1, 1996, pp. 73-82.
 S. Erturk, A. E. Sevinc, L. Ersoy and S. Ficicioglu, “HPLC Method for the Determination of Atorvastatin and Its Impurities in Bulk Drug and Tablets,” Journal of Pharmaceutical and Biomedical Analysis, Vol. 33, No. 5, 2003, pp. 1017-1023. doi:10.1016/S0731-7085(03)00408-4
 H. J. Panchal, B. N. Suhagia, N. J. Patel, I. S. Rathod, B. H. Patel, “Development and Validation of a HPTLC Me-thod for the Simultaneous Estimation of Atorvastatin Calcium and Ezetimibe,” Chromatographia, Vol. 69, No. 1-2, 2009, pp. 91-95. doi:10.1365/s10337-008-0831-z
 F. Belal, I. A. Al-Zaagi, E. A. Gadkariem and M. A. Ab-ounassif, “A Stability-Indicating LC Method for the Si-multaneous Determination of Ramipril and Hydrochloro-thiazide in Dosage Forms,” Journal of Pharmaceutical and Biomedical Analysis, Vol. 24, No. 3, 2001, pp. 335-342. doi:10.1016/S0731-7085(00)00474-X
 M. B. Shankar, F. A. Metha, K. K. Bhatt, R. S. Metha and M. Geetha, “Simultaneous spectrophotometric determi-nation of losartan potassium and hydrochlorothiazide in tablets,” Indian Journal of Pharmaceutical Sciences, Vol. 65, No. 2, 2003, pp. 167-170.