Pimratana, Chaowat, and Udomsak Wijitsettakul. 2019. “Peritubal bupivacaine infiltration for postoperative pain reduction after percutaneous nephrolithotomy”. The Clinical Academia 43 (5):179-88. https://he02.tci-thaijo.org/index.php/theclinicalacademia/article/view/202886.