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Journal Article Acoustic Aspects of the Aging Voice Get access William J. Ryan, PhD William J. Ryan, PhD 2University of New MexicoAlbuquerque 87106. Search for other works by this author on: Oxford Academic PubMed Google Scholar Journal of Gerontology, Volume 27, Issue 2, April 1972, Pages 265–268, https://doi.org/10.1093/geronj/27.2.265 Published: 01 April 1972