title: [Progress of research on pressurized metered dose inhalers].
authors.forename: Xin
authors.initials: X
authors.lastname: Zhou
mesh_terms: D000280:Administration, Inhalation; D000335:Aerosol Propellants / Q000008:administration & dosage; D018927:Anti-Asthmatic Agents / Q000008:administration & dosage*; D001249:Asthma / Q000188:drug therapy*; D001507:Beclomethasone / Q000008:administration & dosage; D001993:Bronchodilator Agents / Q000008:administration & dosage; D002626:Chemistry, Pharmaceutical; D004983:Ethanolamines / Q000008:administration & dosage; D005938:Glucocorticoids / Q000008:administration & dosage*; D006801:Humans; D006845:Hydrocarbons, Fluorinated / Q000008:administration & dosage; D036501:Metered Dose Inhalers; D010316:Particle Size; D011312:Pressure; D029424:Pulmonary Disease, Chronic Obstructive / Q000628:therapy
chemical_list: D000335:Aerosol Propellants; D018927:Anti-Asthmatic Agents; D001993:Bronchodilator Agents; D004983:Ethanolamines; D005938:Glucocorticoids; D006845:Hydrocarbons, Fluorinated; D001507:Beclomethasone