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.
Yomidas Rekishikan is the full text database of The Yomiuri Shinbun, containing more than 10 million articles carried by the newspaper since its inaugural issue in 1874.