The following databases provide background information on many topics. These resources can be a good place to start when you are unfamiliar with a topic.
Over 600 reference books, including encyclopedias, dictionaries (English and foreign language), thesauri, books of quotations, as well as a range of subject-specific reference books.
Encyclopedias, handbooks, and ebooks published by Sage and CQ Press. 1983 to present.
Medical resources including Stedman's Medical Dictionary, ICD-10 with conversion tools, evidence-based clinical practice guidelines, plus access to Anatomy.tv and BoardVitals.