title: Asthma deaths and inhaler type.
mesh_terms: D001249:Asthma / Q000401:mortality*; D001993:Bronchodilator Agents / Q000008:administration & dosage / Q000009:adverse effects*; D006801:Humans; D009330:Nebulizers and Vaporizers / Q000009:adverse effects*
chemical_list: D001993:Bronchodilator Agents