＜図書＞
Length of convalescence after surgery, United States, July 1960-June 1961 : statistics on the length of convalescence after tonsillectomy, appendectomy, hernia operation, hemorrhoidectomy, hysterectomy, and delivery other than Cesarean, by age, sex, usual activity, and family income : based on data collected in household interviews during the period July 1960-June 1961
(Public Health Service publication ; no. 1000 . Vital and health statistics ; ser. 10 . data from the National Health Survey ; no. 3)