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Biochemistry and Molecular Biology: Online Encyclopedias
Published by Wiley, "eLS features over 5,000 specially commissioned, peer-reviewed and citable articles in the life sciences and is an essential resource for students."
Published for the American Physiological Society by Wiley Blackwell, "Comprehensive Physiology is the most authoritative and comprehensive collection of physiology information ever assembled, and uses the most powerful features of review journals and electronic reference works."