4Ronald SG, Stephanie S, Anne S. Perinatal infections due to group B streptococci [J]. Obstet Gynecol, 2004, 104(5): 1062-1076.
5Renee DS, Jeremy MK, Laura EE,et al. Risk factors for group B streptococcal genitourinary tract colonization in pregnant women [J]. Obstet Gynecol, 2005, 106(6): 1246-1252.
6Colboum T, Gillbert R. An overview of the natural history of early onset group B streptococcal disease in the UK [J]. Early Hum Dev, 2007, 83(3): 149-156.
7Valkenburg Van Den Berg AW, Sprij AJ, Oostvogel PM, et al. Prevalence of colonisation with group B streptococci in pregnant women of a multi-ethnic population in the Netherlands [J]. EUR J Obstet Gynecol Report Biol, 2006, 124(2): 178-183.
8Miura E, Martin MC. Group B streptococcal neonatal infections in Rio Grande do Sul, Brazil [J]. Rev Inst Med Trop Sao Paulo, 2001, 43(5): 243-246.
9Yossuck P, Preedisripipat K. Neonatal group B streptocococcal infection:incidence and clinical manifestation in Siriraj Hospital [J]. J Med Assoc Thai, 2002, 85:479-487.
10Grable ZA, Garcia PM, Perry D, et al. Group B streptococcus and preterm premature rupture of membranes: A randomized, dou- bleblind clinical trial of antepartum ampicillim [J]. Am J Obstet and Gyneco I, 1996, 175: 1036.