Asad, T.; Aamir, M.; Haroon, Z. H.; Munir, M. U.; Kirmani, S. I.; Awan, A. Comparison of Serum Copper, Zinc, Lead, Aluminium and Iron Levels in Patients With Parkinson’s Disease With Healthy Controls in Tertiary Care Hospital. PAFMJ 2022, 72, 1673-77.