Thavaramara, T., S. Tangitgamol, S. Manusirivithaya, and K. Pataradool. “A Randomized Double-Blind Placebo-Controlled Trial to Evaluate the Effectof Vaginal Misoprostol in the Modification of Gross Cervical Anatomy in Patients with Unsatisfactory Colposcopy”. Vajira Medical Journal : Journal of Urban Medicine, vol. 54, no. 3, Sept. 2011, pp. 239-50, https://he02.tci-thaijo.org/index.php/VMED/article/view/453.