Sawanya Pongparit. (2016) Sexual activity: an important risk factor for colonization of Streptococcus agalactiae in mature female genitalia. <i>Rangsit Journal of Arts and Sciences</i>, <i>6</i>(2), 141-147.Sawanya Pongparit. "Sexual activity: an important risk factor for colonization of Streptococcus agalactiae in mature female genitalia". Rangsit Journal of Arts and Sciences 6 (2016):141-147.Sawanya Pongparit. Sexual activity: an important risk factor for colonization of Streptococcus agalactiae in mature female genitalia. Rangsit University:ม.ป.ท. 2016.