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The Medical Letter - The Medical Letter, Inc. is a nonprofit organization that publishes critical appraisals of new prescription drugs and comparative reviews of drugs for common diseases in its newsletter
Clinical Pharmacology - Used by more than 1,500 hospitals and over 35,000 retail pharmacies in the U.S., as well as government and managed care agencies, PBMs, pharmaceutical manufacturers and academic institutions, Clinical Pharmacology sets the standard for today’s referential and point-of-care drug information solutions.
LexiComp - (accessed through UpToDate) LexiComp's drug-to-drug, drug-to-herb and herb-to-herb interaction analysis program .