Product Search Search Effective Health Care website Submit search Search Tip: Use double quotes around phrases to rank exact matches higher in the result list. 1 results Sort search results by Sorted by relevance Sort by date Comparative Effectiveness of Angiotensin Converting Enzyme Inhibitors (ACEIs), Angiotensin II Receptor Antagonists (ARBs), and Direct Renin Inhibitors for Treating Essential Hypertension – An Update of the 2007 Report Research Protocol Archive May 7, 2010