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Ecology and Aging
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1968
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AgingBiogerontologyEpidemiology Of AgingLongevityLifespan DevelopmentGerontologyJournal Article EcologyHealth SciencesGeriatricsProductive AgingAging BranchGlobal AgingAdult DevelopmentLifespan AgingChild DevelopmentAge StudiesChild HealthPediatricsDevelopmental ScienceLater AdulthoodMedicineAging Process
Journal Article Ecology and Aging Get access Leroy E. Duncan, Jr., M.D. Leroy E. Duncan, Jr., M.D. Chief 2Adult Development and Aging Branch, National Institute of Child Health and Human DevelopmentBethesda, Maryland Search for other works by this author on: Oxford Academic PubMed Google Scholar The Gerontologist, Volume 8, Issue 2, Summer 1968, Pages 80–83, https://doi.org/10.1093/geront/8.2.80 Published: 01 July 1968