PubMed Central (PMC) is the U.S. National Institutes of Health (NIH) free digital archive of biomedical and life sciences journal literature.

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The aim of the SciELO collection is gathering together scientific journals published in Spanish and Portuguese.

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SpringerLink is an integrated full-text database for journals and books published by Springer. SpringerLink currently offers over 1,250 fully peer-reviewed journals and more than 10,000 books online. Subject covered: Architecture & Design Astronomy Biomedical Sciences Business & Management Chemistry Computer Science Economics Education Engineering Environmental...

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