00648nam 2200157z- 450 9910712708003321(CKB)5470000002497097(EXLCZ)99547000000249709720230509c1969uuuu -u- -engChronic conditions causing activity limitation, United States - July 1963-June 1965U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health AdministrationWashington, D.CBOOK9910712708003321Chronic conditions causing activity limitation, United States - July 1963-June 19653307597UNINA