title: The natural and laboratory resistance of gram-negative rods to quaternary ammonium chlorides with alkylthiomethyl radical.
mesh_terms: D000643:Ammonium Chloride / Q000494:pharmacology*; D004352:Drug Resistance, Microbial; D005609:Free Radicals; D006090:Gram-Negative Bacteria / Q000187:drug effects*; D013440:Sulfides / Q000494:pharmacology*
chemical_list: D005609:Free Radicals; D013440:Sulfides; D000643:Ammonium Chloride