Parthasarathy, and Puviarasi R. “Non-Invasive Visualization of Vein in Geriatric Patients”. International Journal of Psychosocial Rehabilitation 24, no. 2 (April 30, 2020): 5786–5792. Accessed June 18, 2025. https://www.psychosocial.com/index.php/ijpr/article/view/2440.