Library and Information Sciences
ReleMed
Non-Federal Website: ReleMed retrieves almost the same articles as PubMed, but ReleMed shows the articles in a different order--the first articles returned in response to a query have close relationships between the search terms.

Public Health
International Clinical Trials Registry Platform Search Portal
Non-Federal Website: Trial registration data sets provided by Primary Registers (Clinicaltrials.gov, Australian Clinical Trials Registry, and International Standard Randomised Controlled Trial Number Register (ISRCTN)).

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