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The Medical Letter is a nonprofit organization founded in 1959 by Arthur Kallet, the co-founder of Consumers Union, and Dr. Harold Aaron. Its newsletters, The Medical Letter on Drugs and Therapeutics and Treatment Guidelines from The Medical Letter, publish critical appraisals of new drugs and comparative reviews of older drugs.
Enables rapid identification of unknown tablets/capsules based on physical characteristics and high-resolution images. Provides links to drug information and drug labels. Provider by the National Library of Medicine (NLM).