Khairuzzaman, Mohammad, et al. “Effectiveness of Ultrasound Measured Urinary Bladder Wall Thickness As a = Diagnostic and Follow up Tool in Men With Bladder Outlet Obstruction”. Bangladesh Journal of Urology, vol. 22, no. 2, Nov. 2020, pp. 188-93, doi:10.3329/bju.v22i2.50133.