Jongwannasiri, M., T. Chintapanyakun, and W. Viseshsindh. “Compared Position of Urination on Uroflowmetry and Post Void Residual in Patient With Benign Prostatic Hyperplasia (BPH)”. Journal of The Royal Thai Army Nurses, vol. 21, no. 1, Apr. 2020, pp. 176-82, https://he01.tci-thaijo.org/index.php/JRTAN/article/view/203235.