Serotypes, antibiotic susceptibilities, and multi-locus sequence type profiles of Streptococcus agalactiae isolates circulating in Beijing, China. oleh Ping Wang, Jing-jing Tong, Xiu-hua Ma, Feng-li Song, Ling Fan, Cui-mei Guo, Wei Shi, Sang-jie Yu, Kai-hu Yao, Yong-hong Yang