Pengsaa, P., B. Udomthavornsuk, S. Pothinam, and P. Yuenyao. “COMPARISON BETWEEN LOOP DIATHERMY CONIZATION AND COLD KNIFE CONIZATION AT SRINAGARIND HOSPITAL”. Srinagarind Medical Journal, vol. 8, no. 3, Nov. 2013, pp. 141-5, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13644.