title: A tube spacer to improve inhalation of drugs from pressurised aerosols.
mesh_terms: D000336:Aerosols; D000368:Aged; D001249:Asthma / Q000188:drug therapy; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012138:Respiratory Therapy / Q000295:instrumentation*; D013726:Terbutaline / Q000008:administration & dosage / Q000627:therapeutic use
chemical_list: D000336:Aerosols; D013726:Terbutaline