Sawanya Pongparit, Suwanna Trakulsomboon, Nittaya Panruan, Orawan Buarod, Ibtihaj Mamingchi, Ilada Sarim and Asmat Baka 2016. Sexual activity: an important risk factor for colonization of Streptococcus agalactiae in mature female genitalia. Journal of Current Science and Technology. 6, 2 (Dec. 2016), 141–147.