Health care in the seventies.
D003695:Delivery of Health Care; D004501:Education, Medical; D005380:Financing, Government; D006280:Health Workforce; D007348:Insurance, Health; D007883:Legislation, Medical; D009316:National Institutes of Health (U.S.); D009369:Neoplasms; D012109:Research Support as Topic; D012577:Schools, Medical; D014481:United States