Microbiology |
- Big Picture Book of Viruses, The - The Big Picture Book of Viruses is both a catalog of virus pictures on the Internet and an educational resource for those seeking more information about viruses.
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) The NIDDK Image Library is a searchable database of original full-color and black-and-white illustrations produced by the NIDDK Information Clearinghouses that are available copyright free to the public.
