title: Elimination of an R-factor by trimethoprim.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000187:drug effects; D005493:Folic Acid Antagonists / Q000494:pharmacology*; D007709:Klebsiella / Q000187:drug effects; D011743:Pyrimidines / Q000494:pharmacology*; D013941:Thymine / Q000378:metabolism; D014295:Trimethoprim / Q000494:pharmacology
chemical_list: D000900:Anti-Bacterial Agents; D005493:Folic Acid Antagonists; D011743:Pyrimidines; D014295:Trimethoprim; D013941:Thymine