Sunarno, Manalu, W., Kusumorini, N., & Ratih, D. (2015). Improvement of Function in the Aging Rat Hippocampus by Administration of Alanine-Glutamine Dipeptide as a Precursor of the Antioxidant Glutathione. Pakistan Journal of Nutrition, 14(11), 749–757. https://doi.org/10.3923/pjn.2015.749.757