Balakrishnan, Santosh, Lijo Paul, Minu N Rajan, and Sherin Alias Arthungal. 2022. “Demonstrate, Observe, Assist, and Perform Versus Structured Educational Video in Imparting Standard Skill in Male Urinary Bladder Catheterization”. Asian Journal of Medical Sciences 13 (2):48-53. https://www.nepjol.info/index.php/AJMS/article/view/40184.