title: The effects of ipratropium bromide on the histamine inhalation challenge in asthmatic and bronchitic patients.
mesh_terms: D001249:Asthma / Q000175:diagnosis* / Q000503:physiopathology; D001286:Atropine Derivatives / Q000494:pharmacology*; D001991:Bronchitis / Q000175:diagnosis* / Q000503:physiopathology; D004341:Drug Evaluation; D006632:Histamine / Q000008:administration & dosage; D006801:Humans; D009241:Ipratropium / Q000494:pharmacology*; D010366:Peak Expiratory Flow Rate; D012119:Respiration / Q000187:drug effects*
chemical_list: D001286:Atropine Derivatives; D006632:Histamine; D009241:Ipratropium