Construction PG0839 gene-defective mutant of Porphyromonas gingivalis
Liu Jingbo1, Pan Yaping1, Li Chen1, Lin Li1, Zhong Ming2,
West China Journal of Stomatology . 2012, (2): 192 -196 .  DOI: 10.3969/j.issn.1000-1182.2012.02.020