Sindhubodee, Sermsin, and Nattapong Wongwattanasatien. “Usage of Paracetamol in Reducing Cystoscopy-Related Pain: A Prospective Study”. The Thai Journal of Urology 34, no. 2 (December 31, 2013): 12-18. Accessed May 30, 2020. https://he02.tci-thaijo.org/index.php/TJU/article/view/63140.