RT Book, Whole
T1 Disability days, United States, July 1961-June 1962 : statistics on volume of restricted-activitiy days, bed-disability days, work-loss days, and school-loss days, by age, sex, family income, residence, usual activity status, occupation, and industry : based on data collected in household interviews during the period July 1961-June 1962
T2 Public Health Service publication
A1 United States. Dept. of Health, Education, and Welfare
A1 United States. Public Health Service
A1 National Center for Health Statistics (U.S.)
SP 52 p.
PB U.S. Dept. of Health, Education, and Welfare
PP Washington, D.C.
LA English (英語)