Ultrasonic nebulizers.
D000085:Acetates; D000336:Aerosols; D000402:Airway Obstruction / Q000628:therapy; D001424:Bacterial Infections / Q000209:etiology; D004197:Disease Reservoirs; D004556:Electric Injuries / Q000209:etiology; D004560:Electricity; D006801:Humans; D012138:Respiratory Therapy / Q000009:adverse effects / Q000295:instrumentation / Q000592:standards*; D013242:Sterilization; D014465:Ultrasonics / Q000295:instrumentation*