Kobayashi, R., Nakao, K., Yamada, K., Miyamoto, Y. and Mochizuki, H. (2017) “Effect of nalfurafine hydrochloride on the basal pressure of the sphincter of Oddi in anesthetized rabbits”, International Journal of Basic & Clinical Pharmacology, 4(2), pp. 198–202. Available at: https://www.ijbcp.com/index.php/ijbcp/article/view/896 (Accessed: 24 October 2025).