title: Prevention of bacterial spread in a respirator circuit.
mesh_terms: D000391:Air Microbiology; D001419:Bacteria / Q000187:drug effects*; D002710:Chlorhexidine / Q000494:pharmacology; D008837:Micrococcus / Q000302:isolation & purification; D012122:Ventilators, Mechanical
chemical_list: D002710:Chlorhexidine