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Science 11 June 1976:
Vol. 192. no. 4244, pp. 1081 - 1084
DOI: 10.1126/science.192.4244.1081
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Articles

National Institute on Aging: New Focus on Growing Old

CONSTANCE HOLDEN

Though the leaves are many, the root is one; / Through all the lying days of my youth / I swayed my leaves and flowers in the sun; / Now I may wither into the truth.—W. B. YEATS, "The Coming of Wisdom with Time"

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Science. ISSN 0036-8075 (print), 1095-9203 (online)