Scopus is one of the largest abstract and citation database of research literature and quality web sources.It offers over 21,000 peer-reviewed titles from more than 5,000 publishers, over 12,850 academic journals, 700 conference proceedings e.t.c.

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A bibliographic database on the National Library of Medicine's (NLM) Toxicology Data Network. It covers teratology and other aspects of developmental and reproductive toxicology. It contains over 100,000 references to literature published since 1965.

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TOXNET (TOXicology Data NETwork) is a cluster of databases covering toxicology, hazardous chemicals, environmental health and related areas. It is managed by the Toxicology and Environmental Health Information Program (TEHIP) in the Division of Specialized Information Services (SIS) of the National Library of Medicine (NLM). TOXNET provides free access to and easy searching of a large number of...

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The WHOSIS (World Health Organization Statistical Information System) is the guide to health and health-related epidemiological and statistical information available from the World Health Organization. The Global Health Observatory is a gateway to health-related statistics for more than 1000 indicators for its 194 Member States.

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CCRIS is a toxicology data file of the National Library of Medicine's (NLM) Toxicology Data Network (TOXNET). It is a scientifically evaluated and fully referenced data bank, developed and maintained by the National Cancer Institute (NCI). It contains over 9,000 chemical records with carcinogenicity, mutagenicity, tumor promotion, and tumor inhibition test results. Data are derived from studies...

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ChemIDplus is a free, web-based search system that provides access to structure and nomenclature authority files used for the identification of chemical substances cited in National Library of Medicine (NLM) databases. It also provides structure searching and direct links to many biomedical resources at NLM and on the Internet for chemicals of interest. The database contains over 380,000 chemical...

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Wiley InterScience covers content from more than 2,500 journals, books, reference works, databases, laboratory manuals and The Cochrane Library, which is the world's best-known resource for evidence-based medicine. More than half of Wiley's journals on Wiley InterScience are digitized back to Volume 1, Issue 1 as part of the development of the journal backfile initiative. From 2007, in conjunction...

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Integrated Risk Information System (IRIS) - Hazard identification and dose-response assessments for over 500 chemicals. It is a database of National Library of Medicine which consists part of information system of TOXNET. It includes information for about more than 500 chemical combinations with target to make easier the evaluation of ventouresness for health. This material is organized in 5...

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The Public Library of Science (PLoS) is a nonprofit organization committed to making the world's scientific and medical literature freely available online, without restrictions on use or further distribution, free from private or government control.

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Bioline International is a not-for-profit electronic publishing service committed to providing open access to quality research journals published in developing countries.

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