＜図書＞
Acute conditions, incidence and associated disability, United States, July 1961-June 1962 : statistics on the incidence of acute conditions and the associated days of restricted activity, bed disability, and time lost from work and school, by age, sex, calendar quarter, residence, and geographic region : based on data collected in household interviews during the period July 1961-June 1962
(Public Health Service publication ; no. 1000 . Vital and health statistics ; ser. 10 . data from the National Health Survey ; no. 1)