Winfield Mollie D, Groisman Eduardo A
Howard Hughes Medical Institute, Department of Molecular Microbiology, Washington University School of Medicine, 660 S. Euclid, St. Louis, Missouri 63110, USA.
Appl Environ Microbiol. 2003 Jul;69(7):3687-94. doi: 10.1128/AEM.69.7.3687-3694.2003.