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Journal Article Play It Again Sam — There Is No Impact Get access James J. Callahan, Jr. James J. Callahan, Jr. Policy Center on Aging Heller School Brandeis UniversityWaltham, Mass. 02165 Search for other works by this author on: Oxford Academic PubMed Google Scholar The Gerontologist, Volume 29, Issue 1, February 1989, Pages 5–6, https://doi.org/10.1093/geront/29.1.5 Published: 01 February 1989
James J. Callahan (Wed,) studied this question.