CRCnetBASE *Over 6000 online books that span over 40 disciplines. In addition to e-books published under the imprint CRC Press, CRCnetBASE also includes online references from Auerbach and Chapman & Hall.
NCBI BookshelfFree, full-text e-books from the National Library of Medicine. Titles include Citing Medicine, Comparative Oncology, Genetics for Surgeons.
Oxford Medicine OnlineA digital platform hosting Oxford University Press' prestigious medical titles.
Harrison's Principles of Internal Medicine *