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Proceedings of the National Academy of Sciences
Описание: PNAS. Beginning January 2002, PNAS research articles and papers published online before print in PNAS Early Edition are available only to paid subscribers for six months. All articles from 1990 through 2001 remain freely ...
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PLOS ONE: an inclusive, peer-reviewed, open-access resource from the PUBLIC LIBRARY OF SCIENCE. Reports of well-performed scientific studies from all disciplines ...
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Online publisher of free peer-reviewed scientific articles in all areas of medical research and biology. Although it is a for-profit publisher, it provides free ...
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Publisher of a wide range of peer reviewed journals in the categories; Medical Sciences, Social Sciences, Biological Sciences and Physical Sciences.
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A clear voice for science. Earth, space, human world. What to see in the sky tonight.
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UIC
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Tables of contents and abstracts of articles from journals in agricultural sciences, science and technology, health and social sciences, published in Africa.
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Weekly magazine offers featured articles from the current issue along with special online-only features. Includes photo collection, archives, email newsletter and ...
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EurekAlert! is an online science news service, sponsored by AAAS, the science society. It features health, science and technology news from leading research ...
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