T. Thavaramara, 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 Med J, vol. 54, no. 3, pp. 239–250, Sep. 2011.