Users can access LinkOut in other ways, too. By searching the term 'loall[filter]' under taxonomy on the Entrez page, you access 592 pages containing more than 11,000 species entries. Clicking an entry gets you additional information on the organism. LinkOut can also be accessed through other categories on Entrez such as 'Nucleotide', again using 'loall[filter]'. Unfortunately, navigating this way isn't as transparent, but Kwan hopes to gradually improve the system.
Scientists interested in partnering sites with LinkOut have to take the initiative—listing is voluntary. "We don't browse the Internet for links," admits Kwan. "We don't have the staff." Instead, NCBI hopes researchers will come to them.
