Kaushal, Himanshu, Rajendra Kumar Sureka, and Amit Kumar Agarwal. “‘Frailty’ in Patients With Parkinsonian Spectrum Disorders: An Observation from a Tertiary Care Teaching Hospital”. Neuroscience Research Notes 7, no. 4 (November 28, 2024): 319.1–319.7. Accessed May 31, 2026. https://www.neuroscirn.org/ojs/index.php/nrnotes/article/view/319.