The Distribution offimA Genotype ofPorphyromonas gingivalisin Chronic Periodontitis Patients
GUO Yong-hua1, WU Ya-fei2, LIUTian-jia2, XIAOXiao-rong1, ZHOUBin3, ZHOUXue-ping3
West China Journal of Stomatology . 2005, (02): 99 -102 .