Rao, J R Biotransformation of the Pentahydroxy Flavone Quercetin by Rhizobium loti and Bradyrhizobium Strains (Lotus). [electronic resource] - Applied and environmental microbiology May 1991 - 1563-5 p. digital Publication Type: Journal Article ISSN: 0099-2240 Standard No.: 10.1128/aem.57.5.1563-1565.1991 doi