Attempts to obtain neuroprotection in Parkinson's disease Neurology Glutathione Depletion and Stalwart Anticancer Activity of Metallotherapeutics Inducing Programmed Cell Death: Opening a New Window for Cancer Therapy ACS Omega Targeting the Cysteine Redox Proteome in Parkinson's Disease: The Role of Glutathione Precursors and Beyond Randomized, double'blind, pilot evaluation of intravenous glutathione in Parkinson's disease