A new dry powder inhaler.
D000293:Adolescent; D000328:Adult; D000336:Aerosols; D000368:Aged; D001249:Asthma / Q000188:drug therapy*; D001993:Bronchodilator Agents / Q000008:administration & dosage*; D002648:Child; D004867:Equipment Design; D004864:Equipment and Supplies / Q000592:standards*; D005069:Evaluation Studies as Topic; D006801:Humans; D008875:Middle Aged; D011208:Powders
D000336:Aerosols; D001993:Bronchodilator Agents; D011208:Powders