Quertle
Produced by Quertle.

Source: Quertle
Access: Free to all users.
Coverage: mid-1860s - present
Updated: Weekly
Vocabulary: Natural language
Description: Quertle is a relationship-driven search tool that offers natural language searching as an alternative to traditional MeSH-based MEDLINE searching. The database provides a list of Power Terms (broad-based) for including in search strategies. Quertle includes MEDLINE/PubMed records from the U.S. National Library of Medicine (NLM), full-text documents from BioMed Central, and open access articles from PubMed Central. In addition, Quertle covers the NIH RePORTER database of grant applications, submitted scientific white papers and posters, and the NLM's TOXLINE database of biochemical, pharmacological, physiological, and toxicological effects of drugs and other chemicals. Results can be exported to RefWorks, utilizing the RIS format. Quertle was the winner of the National Library of Medicine's software development challenge in 2011.

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