title: [Considerations on the bases of clinical epidemiology].
authors.forename: J
authors.initials: J
authors.lastname: Rey Calero
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D003365:Costs and Cost Analysis; D003695:Delivery of Health Care / Q000191:economics; D004813:Epidemiology; D005260:Female; D006801:Humans; D008017:Life Expectancy; D008297:Male; D008875:Middle Aged; D012943:Social Security; D013030:Spain