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PHAR 658 & 690

Literature Classification

Primary, Secondary, or Tertiary

• Primary Literature = Original research/reports published in the biomedical journals (e.g., randomized controlled trials, cohort studies, case reports, meta-analyses, animal studies, etc.)

• Secondary Literature = Indexing and Abstracting Services (e.g., PubMed, International Pharmaceutical Abstracts)

• Tertiary Literature = Summary of the available literature (books, drug compendia, review articles [e.g., Facts and Comparisons, Stat!Ref, Pharmacotherapy: A pathophysiologic approach, etc.])