The Mk III Rotahaler: a short report.
D000293:Adolescent; D000328:Adult; D000420:Albuterol / Q000008:administration & dosage; D005069:Evaluation Studies as Topic; D006801:Humans; D008875:Middle Aged; D011208:Powders; D012138:Respiratory Therapy / Q000295:instrumentation*
D011208:Powders; D000420:Albuterol