title: The appropriate use of diagnostic services: (IV). How useful is the microbiological investigation of diarrhoea?
mesh_terms: D002353:Carrier State / Q000382:microbiology; D003967:Diarrhea / Q000188:drug therapy / Q000382:microbiology* / Q000517:prevention & control; D005243:Feces / Q000382:microbiology; D006801:Humans; D012480:Salmonella Infections / Q000382:microbiology