Letter: toxicity of aerosols.
D000328:Adult; D000336:Aerosols / Q000633:toxicity*; D001249:Asthma / Q000401:mortality; D002170:Canada; D002648:Child; D004739:England; D006801:Humans; D007545:Isoproterenol / Q000633:toxicity*; D012606:Scotland; D014481:United States
D000336:Aerosols; D007545:Isoproterenol