Bartleby.com (books) - A collection of online general interest reading and reference books. Some scientific texts, including a searchable version of Gray's Anatomy, 1918. Full-text access/No registration.
Bookshelf - Authors, publishers, and the National Center for Biotechnology Information (NCBI) are collaborating to adapt biomedical books for the web. As of 04.13.2004, over 30 books are listed. Overview provides additional information about this service. Full-text access/No registration.
Annals of Internal Medicine – Free Full Text
BioMed Central - BioMed Central is an independent publishing house committed to providing immediate free access to peer-reviewed biomedical research
HUBNET - (authentication required) (best viewed with Internet Explorer)
Publist.com - Directory of journals