title: R Factors in Escherichia coli in faeces after oral chemotherapy in general practice.
mesh_terms: D000284:Administration, Oral; D000667:Ampicillin / Q000008:administration & dosage; D000900:Anti-Bacterial Agents / Q000494:pharmacology / Q000627:therapeutic use*; D000941:Antigens / Q000032:analysis; D006801:Humans
chemical_list: D000900:Anti-Bacterial Agents; D000941:Antigens; D000667:Ampicillin