Epidemiology of invasive group B streptococcal disease in infants from urban area of South China, 2011–2014 oleh Xiaoshan Guan, Xiaoping Mu, Wenjing Ji, Chunlei Yuan, Ping He, Lian Zhang, Yanfen Huang, Juan Li, Jianfeng Chen, Huamin Zhong, Shuyin Pang, Nan Tan, Qiulian Deng, Kankan Gao, Yu-Ping Huang, Chien-Yi Chang, Haiying Liu