Hyattsville, Md. (6525 Belcrest Rd., Hyattsville 20782) : U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control, National Center for Health Statistics, 1992.
"Includes descriptions of the samples, interviewing and matching procedures, contents of questionnaires and public-use data files, and a discussion of statistical and analytic issues for the longitudinal study of aging, 1984-90, and the public-use data files released through 1991."
