Sawasdee, C., Auvichayapat, P., Boonsawat, W., Champangern, W., Thasomboon, M., Hanwaree, N., Thamnithis, P., Artchaithorn, P. and Tunkamnerdthai, O. 2026. Effect of Transcranial Direct Current Stimulation on Functional Fitness in Patients with Chronic Obstructive Pulmonary Disease: A Randomized Control Pilot Study. Srinagarind Medical Journal. 41, 2 (Apr. 2026), 196–209. DOI:https://doi.org/10.64960/srimedj.v41i2.270721.