Asad, Tahir, Muhammad Aamir, Zujaja Hina Haroon, Muhammad Usman Munir, Sobia Irum Kirmani, and Afshan Awan. 2022. “Comparison of Serum Copper, Zinc, Lead, Aluminium and Iron Levels in Patients With Parkinson’s Disease With Healthy Controls in Tertiary Care Hospital”. Pakistan Armed Forces Medical Journal 72 (5): 1673-77. https://doi.org/10.51253/pafmj.v72i5.6535.