title: Second US institute investigates use of drug in asthma trial.
authors.forename: D
authors.initials: D
authors.lastname: Josefson
mesh_terms: 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
chemical_list: D016085:Bronchoconstrictor Agents; D018738:Hexamethonium