Comparison of valsartan/hydrochlorothiazide combination therapy at doses up to 320/25 mg versus monotherapy : a double-blind , placebo-controlled study followed by long-term combination therapy in hypertensive adults .
O O I-ChemicalEntity O O O O O O O O O O O O O O O O O O O O O O B-DiseaseOrPhenotypicFeature O O