Streptococcus agalactiae isolated from clinical mastitis cases on large dairy farms in north China: phenotype, genotype of antimicrobial resistance and virulence genes - Liu, Kai; Liu, Xiang; Yang, Jieyan; Gu, Xiaolong; Zhang, Limei; Qu, Weijie (Frontiers in Cellular and Infection Microbiology, 2024)