Pengsaa, Prasit, Banchong Udomthavornsuk, Somporn Pothinam, and Pissamai Yuenyao. 2013. “COMPARISON BETWEEN LOOP DIATHERMY CONIZATION AND COLD KNIFE CONIZATION AT SRINAGARIND HOSPITAL”. Srinagarind Medical Journal 8 (3):141-45. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13644.