Moderate versus intensive treatment of hypertension with amlodipine/valsartan for patients uncontrolled on angiotensin receptor blocker monotherapy.
Oparil S, Giles T, Ofili EO, Pitt B, Seifu Y, Hilkert R, Samuel R, Sowers JR. Moderate versus intensive treatment of hypertension with amlodipine/valsartan for patients uncontrolled on angiotensin receptor blocker monotherapy. J Hypertens. 2011 Jan; 29(1):161-70.