The ISRCTN (International Standard Randomised Controlled Trial Number) registers all clinical research studies (proposed, ongoing or completed) and provides each one with a unique identifying number. All study records in the database are searchable and freely accessible.
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Bibliography of articles on medieval and renaissance topics.
The ZMATH Database contains about 2.8 million entries drawn from about 3500 journals and 1100 serials. The date range is from 1868 to present. The database is edited by the European Mathematical Society, FIZ Karlsruhe, and Heidelberger Akademie der Wissenschaften.
International merger and acquisition (M&A), initial public offering (IPO) and venture capital (VC) data with links to company information. Provided by Bureau van Dijk.
Zoological Record indexes more than 5,000 serials, as well as books, conferences, and reports. It includes all aspects of animal research, including ecology, biodiversity, evolution, physiology, taxonomy, etc.