title: Comparison of radioactive tracer and other methods in epidemiologic surveillance.
mesh_terms: D000372:Agglutination Tests; D000941:Antigens; D002247:Carbon Isotopes; D002771:Cholera / Q000276:immunology; D004196:Disease Outbreaks; D004405:Dysentery, Bacillary / Q000276:immunology; D004812:Epidemiologic Methods; D004927:Escherichia coli Infections / Q000276:immunology; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D008722:Methods; D012698:Serologic Tests; D014435:Typhoid Fever / Q000276:immunology
chemical_list: D000941:Antigens; D002247:Carbon Isotopes