Ogunrin, A., Komolafe, M., Sanya, E., Osubor, C., Ajose, O., Akande, A. and Mosaku, S. (2013) “Trace Metals in Patients with Parkinson’s Disease: A Multi-Center Case-Control Study of Nigerian Patients ”, Journal of Neurology and Epidemiology, 1(1), pp. 31–38. doi: 10.12974/2309-6179.2013.01.01.4.