Lertsithichai, Panuwat. 2013. “Abstracts of the 38th Annual Scientific Congress of the Royal College of Surgeons of Thailand, 20-23 July 2013, Ambassador City Jomtien Hotel, Jomtien, Pattaya, Cholburi, Thailand (Part II)”. The Thai Journal of Surgery 34 (4). https://he02.tci-thaijo.org/index.php/ThaiJSurg/article/view/226840.