Hayiniloh, Nifahmee, Nattapong Wongwattanasatien, Vorapot Choonhaklai, Viroj Chittchang, Somkiat Pumpaisanchai, Tanet Thaidumrong, Sermsin Sindhubodee, and Matchima Huabkong. 2018. “The Effect of Cycling on Sexual Health in Men”. Insight Urology 39 (2):1-9. https://he02.tci-thaijo.org/index.php/TJU/article/view/112435.