title: Multiple mechanisms of trimethoprim resistance in strains of Escherichia coli from a patient treated with long-term co-trimoxazole.
mesh_terms: D003090:Coliphages; D003227:Conjugation, Genetic; D004338:Drug Combinations; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000187:drug effects*; D006801:Humans; D008970:Molecular Weight; D011815:R Factors; D013444:Sulfisoxazole / Q000627:therapeutic use*; D014170:Transformation, Genetic; D014295:Trimethoprim / Q000494:pharmacology* / Q000627:therapeutic use
chemical_list: D004338:Drug Combinations; D013444:Sulfisoxazole; D014295:Trimethoprim