Human aging research : concepts and techniques / [edited by] Barbara Kent, Robert Butler. - New York : Raven Press, c1988. - x, 372 p. : ill. ; 24 cm. - Aging ; v. 34 . Includes index. Includes bibliographical references. ISBN: 0881673722 (hbk.) Subjects--Topical Terms: Aging--Research--Methodology.Geriatrics--Research--Methodology.Aging.Research--methods.