Epidemiology: 'Nothing more than common sense'?
D002771:Cholera / Q000209:etiology; D004781:Environmental Exposure; D004812:Epidemiologic Methods; D006801:Humans; D007953:Leukemia, Radiation-Induced / Q000209:etiology; D008175:Lung Neoplasms / Q000209:etiology; D008452:Maximum Allowable Concentration; D009369:Neoplasms / Q000209:etiology; D009689:Nuclear Warfare; D009784:Occupational Diseases / Q000209:etiology; D013997:Time Factors; D014876:Water Pollution