title: Estimation of particle size in medical aerosols with a cascade impactor.
mesh_terms: D000336:Aerosols / Q000032:analysis*; D001993:Bronchodilator Agents; D008722:Methods; D010316:Particle Size; D013678:Technology, Pharmaceutical / Q000295:instrumentation
chemical_list: D000336:Aerosols; D001993:Bronchodilator Agents