Siriwattana, Pisitpon, and Supon Sriplakich. 2010. “The Optimal Technique in Repairing Middle Type Hypospadias in Maharaj Nakorn Chiangmai Hospital”. Insight Urology 31 (1):6-10. https://he02.tci-thaijo.org/index.php/TJU/article/view/242655.