D, J., D, P., S, B.R., E, M. and S, W.R. 2011. Design and RP - HPLC Method for the Simultaneous determination of Valsartan and Hydrochlorothiazide in Bulk and in Pharmaceutical Formulation. International Journal of Novel Trends in Pharmaceutical Sciences. 1, 1 (Jan. 2011), 18-22.