Genetic diversity of Porphyromonas gingivalis isolates recovered from single "refractory" periodontitis sites

Morten Enersen1, Ingar Olsen, Dominique A Caugant

  • 1Institute of Oral Biology, Faculty of Dentistry, University of Oslo, P.O. Box 1052, NO-0316 Oslo, Norway. morteene@odont.uio.no