Sub-Minimum Inhibitory Concentrations of Rhubarb Water Extracts Inhibit Streptococcus suis Biofilm Formation oleh Wen-Ya Ding, Wen-Ya Ding, Yan-Hua Li, He Lian, Xiao-Yu Ai, Yu-Lin Zhao, Yan-Bei Yang, Qiang Han, Qiang Han, Xin Liu, Xue-Ying Chen, Zhonggui He