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＜図書＞
Bed disability, among the chronically limited, United States, July 1957-June 1961 : statistics on the average annual number of days of bed disability for all persons, persons with limitation of activity, and persons with limitation of mobility, due to chronic conditions, by degree of limitation, geographic region, family income, living arrangements, sex, and age : based on data collected in household interviews during the period July 1957-June 1961
(Public Health Service publication ; no. 1000 . Vital and health statistics ; ser. 10 . data from the National Health Survey ; no. 12)

出版者	Washington, D.C. : U.S. Dept. of Health, Education, and Welfare
出版年	1964
本文言語	英語
大きさ	62 p. ; 26 cm