Nonprescription sales of metaproterenol aerosols.
D000336:Aerosols; D001249:Asthma / Q000401:mortality; D006801:Humans; D009921:Metaproterenol / Q000008:administration & dosage* / Q000009:adverse effects; D004366:Nonprescription Drugs / Q000009:adverse effects*
D000336:Aerosols; D004366:Nonprescription Drugs; D009921:Metaproterenol