Wichianpitaya, A. and Tannirandorn, Y. (2017) “Accuracy of Residual Urine Volume Measurement: Comparison Between Real-time Ultrasonography and Catheterization”, Thai Journal of Obstetrics and Gynaecology. Bangkok, Thailand, 15(4), pp. 237–243. available at: https://he02.tci-thaijo.org/index.php/tjog/article/view/83803 (accessed: 29 September 2026).