10            Mitsunari M, Yoshida S, Deura I, Horie S, Tsukihara S, Harada T, Irie T, Terakawa N. Cervical Ureaplasma urealyticum colonization might be associated with increased incidence of preterm delivery in pregnant women without prophlogistic microorganisms on routine examination. J Obstet Gynaecol Res. 2005.