Giraldo, Paulo César, Ana Maria D Fachini, Renata TG Pereira, Silvio Pereira, Angela Von Nowakonski, and Mauro Romero L Passos. 2006. “Lackof Lactobacillus Sp in the Vaginal Flora During the Labor of Women Endingin Preterm Deliveries”. Brazilian Journal of Sexually Transmitted Diseases 18 (3). Niterói:200-203. https://bdst.emnuvens.com.br/revista/article/view/670.