The ability of asthmatics to detect added resistive loads.
D000328:Adult; D000403:Airway Resistance; D001249:Asthma / Q000503:physiopathology / Q000523:psychology*; D004056:Differential Threshold; D006801:Humans; D009921:Metaproterenol / Q000494:pharmacology; D012129:Respiratory Function Tests
D009921:Metaproterenol