Leerasiri, P., & Puttanapitak, B. (2017). Measurement of Post Void Residual Urine Volume Using Portable 3D Ultrasound Compared with Urinary Catheterization. Siriraj Medical Journal, 69(3), 110–113. Retrieved from https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/89536