Biomedical data resources: a limiting factor in analytic epidemiology.
D000208:Acute Disease; D002908:Chronic Disease; D003644:Death Certificates; D004782:Environmental Health; D004787:Environmental Pollution; D004812:Epidemiologic Methods; D004813:Epidemiology; D006801:Humans; D007255:Information Services; D011996:Records; D012106:Research; D014481:United States; D014798:Vital Statistics