An in vitro method for comparison of the efficiency of aerosols from various pressurized inhalers in the penetration of airways.
D000336:Aerosols; D006801:Humans; D007545:Isoproterenol / Q000494:pharmacology; D012138:Respiratory Therapy / Q000295:instrumentation*; D013431:Sulfates / Q000494:pharmacology
D000336:Aerosols; D013431:Sulfates; D007545:Isoproterenol