Effect of beryllium on the morphology and chemical elements of cell membrane of <em>Porphyromonas gingivalis</em>

LI Wei-hong, HUANG Rui, LIN Hua, LI Qing-yan, ZHENG Xin-ying, LV Qiao, GAO Ning

Shanghai Journal of Stomatology . 2015, (4): 385 -389 .