Abstract
†This research was supported in part by Faculty Research Funds of North Texas State University and by a multidisciplinary grant from the Administration on Aging. This article is a revised version of a paper presented at the 32nd Annual Scientific Meeting of the Gerontological Society, Washington, D.C., November 25–30, 1979.
Notes
†This research was supported in part by Faculty Research Funds of North Texas State University and by a multidisciplinary grant from the Administration on Aging. This article is a revised version of a paper presented at the 32nd Annual Scientific Meeting of the Gerontological Society, Washington, D.C., November 25–30, 1979.