Susceptibility of Porphyromonas gingivalis to metronidazole at different planktonic cell densities and in biofilm
Duan Dingyu1, Wang Shuang1, Zhang Liping1, Zhao Lei1,2, Xu Yi1,2
West China Journal of Stomatology . 2011, (06): 571 -575 .  DOI: 10.3969/j.issn.1000-1182.2011.06.003