We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleNitrogen fixation by symbiotic and free-living spirochetes.AuthorsLilburn TG; Kim KS; Ostrom NE; Byzek KR; Leadbetter JR; Breznak JAPublicationScience (New York, N.Y.), 2001, Vol 292, Issue 5526, p2495ISSN0036-8075Publication typearticleDOI10.1126/science.1060281