Disposable oxygen bottles: a cost-effective period of safe use.
D001431:Bacteriological Techniques; D004209:Disposable Equipment / Q000191:economics / Q000592:standards*; D006801:Humans; D006813:Humidity; D010102:Oxygen Inhalation Therapy / Q000191:economics / Q000295:instrumentation*; D014871:Water Microbiology