PROGRAM 304,657 Program abstracts 48th Annual Scientific Meeting "Gerontologic Challenges : Biological Through Societal Perspectives" {November 15-19, 1995 Los Angeles, California]. - [Washington : by The Gerontological Society of America), 1995. - [2], 478 s. ; 28 cm (The Gerontologist, ISSN 0016-9013 ; vol.35, spec. iss. nr I)