1.
Natadidjaja S, Sekeon S, Tumewah R. Validation of the Indonesian version of the non-motor symptoms scale for Parkinson’s disease. Int J Res Med Sci [Internet]. 2023 Mar. 17 [cited 2025 Oct. 14];11(4):1060-5. Available from: https://www.msjonline.org/index.php/ijrms/article/view/11912