Rattanachaiyanont, M., Lohsiriwat, S. and Tansiri, W. (1992) “Effect of Pethidine on the Contractility of Myometrial Strips from Human Term Gravid Uterus in Vitro”, Thai Journal of Obstetrics and Gynaecology. Bangkok, Thailand, 4(1), pp. 1–6. available at: https://he02.tci-thaijo.org/index.php/tjog/article/view/257849 (accessed: 30 September 2026).