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					An information source for scientific, technical, and medical research. Subscription required for some sections.				 
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					Searchable directory of scientific information. Provides access to web listings and articles from journal sources.				 
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					Nonprofit organization of scientists and physicians committed to making the ... PLoS is a nonprofit organization of scientists and physicians committed to ...				 
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					WorldWideScience.org is a global science gateway—accelerating scientific discovery ... WorldWideScience.org is maintained by the U.S. Department of Energy's ...				 
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					Scirus is the most comprehensive science-specific search engine on the Internet. Driven by the latest search engine technology, Scirus searches millions ...				 
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					Global weekly journal of research which serves the scientific community as a forum for the presentation and discussion of important issues related to the advancement of science.				 
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					ISI Web of Knowledge is today's premier research platform, helping you quickly find, analyze, and share information in the sciences, social sciences, arts, and ...				 
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					Gateway to authoritative science and technology information provided by U.S. government agencies, including research and development results.				 
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					Provides access to scientific publications across disciplinary, institutional, and technological boundaries. From the University of St.Gallen and ...				 
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