↑(Inggris)"REGULATION OF GLUTATHIONE SYNTHESIS". Division of Gastroenterology and Liver Diseases, USC Research Center for Liver Diseases, USC-UCLA Research Center for Alcoholic Liver and Pancreatic Diseases, Keck School of Medicine USC; Shelly C. Lu. Diarsipkan dari asli tanggal 2023-06-27. Diakses tanggal 2010-10-07.
↑(Inggris)"Endogenous glutathione adducts". Center for Cancer Pharmacology and Institute for Translational Medicine and Therapeutics, University of Pennsylvania School of Medicine; Blair IA. Diarsipkan dari asli tanggal 2016-03-10. Diakses tanggal 2011-08-24.