The worth of medical care: a critical review.
D015438:Health Behavior; D006302:Health Services Research; D006306:Health Surveys; D006801:Humans; D009017:Morbidity; D009026:Mortality; D010548:Personal Health Services / Q000706:statistics & numerical data*; D011634:Public Health / Q000639:trends*; D011788:Quality of Life; D012945:Social Values; D011795:Surveys and Questionnaires; D014481:United States