7Nugent RP, Krohn MA, Hillier SL. Reliability of diagnosing bacterial vaginosis is improved by a standardized method of gram stain interpretation. J Clin Microbiol, 1991,29:297-301.
8Bang RA, Bang AT, Baitule Met al. High prevalence of gynecological disease in rural Indian women. Lancet 1989, 14:82
9Miller WC, Ford CA, Morris M et al. Prevalence of chlamydial and gonococcal infections among young adults in the United States. JAMA,2004, 291 (18): 2229
10Sweet RL, Gibbs RS. Infections disease of the female genital tract. 4th ed. Baltimore : Lippincott Williams & Wilkins, 2001.57 - 59