[Health care in the metropolitan region: comparison of 1977 and 1983 surveys].
D002677:Chile; D003365:Costs and Cost Analysis; D003430:Cross-Sectional Studies; D003695:Delivery of Health Care; D006301:Health Services Needs and Demand; D006305:Health Status Indicators; D006306:Health Surveys; D006801:Humans
La atención de salud en la región metropolitana: comparación de las encuestas de 1977 y 1983.