1. Committee on Technical Bulletins. Group B streptococcal infections in pregnancy. ACOG technical bulletin number 170. Int J Gynaecol Obstet. 1993;42(1):55–9.
2. Committee on Infectious Diseases, Committee on Fetus and Newborn. Guidelines for prevention of group B streptococcal (GBS) infection by chemoprophylaxis. Pediatrics. 1992;90(5):775–8.
3. Schuchat A, Whitney C, Zangwill K, Centers for Disease Control and Prevention. Prevention of perinatal group B streptococcal disease: a public health perspective. MMWR Recomm Rep. 1996;45(RR-7):1–24.
4. Schrag S, Gorwitz R, Fultz-Butts K, Schuchat A. Prevention of perinatal group B streptococcal disease. Revised guidelines from CDC. MMWR Recomm Rep. 2002;51(RR-11):1–22.
5. Verani JR, McGee L, Schrag SJ. Prevention of perinatal group B streptococcal disease – revised guidelines from CDC, 2010. MMWR Recomm Rep. 2010;59(RR-10):1–36.