Momin, Afzal, Md Enayet Ul Islam, Farzana Sharmin, Mohammad Enayet Hussain, and Md Azharul Hoque. “Variation of Non-Motor Neurological Symptoms of Parkinson’s Disease Patients”. Journal of National Institute of Neurosciences Bangladesh 5, no. 2 (September 7, 2019): 123–126. Accessed September 1, 2024. https://banglajol.info/index.php/JNINB/article/view/43016.