Second US institute investigates use of drug in asthma trial.
Josefson
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D000280:Administration, Inhalation; D001249:Asthma / Q000139:chemically induced*; D016085:Bronchoconstrictor Agents / Q000009:adverse effects*; D018738:Hexamethonium / Q000009:adverse effects*; D006805:Human Experimentation; D006801:Humans; D014481:United States
D016085:Bronchoconstrictor Agents; D018738:Hexamethonium