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Journal Article Age and Enzyme Activity in the Human Pineal Get access RICHARD J. WURTMAN, M.D., RICHARD J. WURTMAN, M.D. 1Laboratory of Clinical Science, National Institute of Mental Health, and Laboratory of Clinical Biochemistry, National Heart Institute, National Institutes of Health Bethesda, Maryland Search for other works by this author on: Oxford Academic Google Scholar JULIUS AXELROD, Ph.D., JULIUS AXELROD, Ph.D. 1Laboratory of Clinical Science, National Institute of Mental Health, and Laboratory of Clinical Biochemistry, National Heart Institute, National Institutes of Health Bethesda, Maryland Search for other works by this author on: Oxford Academic Google Scholar JACK D. BARCHAS, M.D. JACK D. BARCHAS, M.D. 1Laboratory of Clinical Science, National Institute of Mental Health, and Laboratory of Clinical Biochemistry, National Heart Institute, National Institutes of Health Bethesda, Maryland Search for other works by this author on: Oxford Academic Google Scholar The Journal of Clinical Endocrinology & Metabolism, Volume 24, Issue 3, 1 March 1964, Pages 299–301, https://doi.org/10.1210/jcem-24-3-299 Published: 01 March 1964 Article history Received: 03 September 1963 Accepted: 25 October 1963 Published: 01 March 1964
Wurtman et al. (Sun,) studied this question.