192,272 PROGRAM Program 25th Annual Meeting of the Gerontological Society with the American Geriatrics Society,Caribe Hilton and San Jeronimo Hotels San Juan,Puerto Rico, December 17-21,1 972.Theme: Gerontology in the 21st century. President Carl Eisdorfer. Washington 1972 Gerontological Society 4° s. 96, ilustr. The Gerontologist. Vol.12, nr 3, .2.