An Evaluation of Beta-Blockers, Calcium Antagonists, Nitrates, and Alternative Therapies for Stable Angina: Structured Abstract--Redirect to Archive Topic page summarizing evidence report on stable angina. This outdated information has been archived and is available for reference purposes only. To access the archived document, please go to: http://archive.ahrq.gov/clinic/epcarch.htm. Current as of December 2012 Internet Citation: An Evaluation of Beta-Blockers, Calcium Antagonists, Nitrates, and Alternative Therapies for Stable Angina: Structured Abstract--Redirect to Archive. December 2012. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/redirects/anginatp.html