Merative Micromedex This link opens in a new windowThis resource is a collection of drug and toxicology databases, including Martindale, Material Safety Data Sheets, Physician's Desk Reference (PDR), POISONDEX, and others. Together, these provide comprehensive information about drugs, diseases, and toxicology, as well as drug interactions, IV compatibility, laboratory tests, product lookups, dosing calculators, and CareNotes for patient education.