Bunjongsilp, Wanmesa, Sarikapan Wilailak, and Pratak O-Prasertsawat. 2017. “Comparison between Colposcopically Directed Biopsy and Large Loop Excision of the Transformation Zone”. Thai Journal of Obstetrics and Gynaecology 16 (2). Bangkok, Thailand:123-28. https://he02.tci-thaijo.org/index.php/tjog/article/view/82282.