We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleDatabase resources of the National Center for Biotechnology.AuthorsWheeler DL; Church DM; Federhen S; Lash AE; Madden TL; Pontius JU; Schuler GD; Schriml LM; Sequeira E; Tatusova TA; Wagner LPublicationNucleic acids research, 2003, Vol 31, Issue 1, p28ISSN1362-4962Publication typearticleDOI10.1093/nar/gkg033