National Academy of Sciences
Advisers to the Nation on Science, Engineering, and Medicine. Academy news, directories, publications, awards and PNAS full text.
Searchable editions of major biomedical textbooks including:, C. Elegans II; Introduction to Genetic Analysis, 7th edition; Modern Genetic Analysis; Molecular Biology of the Cell, 3rd edition; and Retroviruses. The books' electronic format does not permit browsing.