Bunjongsilp, W., S. Wilailak, and P. O-Prasertsawat. “Comparison between Colposcopically Directed Biopsy and Large Loop Excision of the Transformation Zone”. Thai Journal of Obstetrics and Gynaecology, vol. 16, no. 2, Apr. 2017, pp. 123-8, https://he02.tci-thaijo.org/index.php/tjog/article/view/82282.