title: Antibacterial action of copper in respiratory therapy apparatus.
mesh_terms: D000391:Air Microbiology; D000890:Anti-Infective Agents; D003300:Copper / Q000494:pharmacology*; D004866:Equipment Contamination; D008283:Maintenance / Q000379:methods; D012122:Ventilators, Mechanical
chemical_list: D000890:Anti-Infective Agents; D003300:Copper