title: Substitution of metered-dose inhalers for hand-held nebulizers.
authors.forename: B
authors.initials: B
authors.lastname: Niggemann
mesh_terms: D000335:Aerosol Propellants / Q000009:adverse effects; D003365:Costs and Cost Analysis; D009330:Nebulizers and Vaporizers / Q000191:economics; D012037:Refuse Disposal
chemical_list: D000335:Aerosol Propellants