Mochtar, Iqbal, and Muchtaruddin Mansyur. “Parkinson’s Disease and the Welding Job: Are Both Related?”. Universa Medicina 39, no. 1 (March 16, 2020): 63–70. Accessed April 30, 2024. https://univmed.org/ejurnal/index.php/medicina/article/view/877.