title: Bronchoconstriction in response to ipratropium bromide.
mesh_terms: D000328:Adult; D001249:Asthma / Q000188:drug therapy*; D001286:Atropine Derivatives / Q000009:adverse effects*; D001980:Bronchi / Q000187:drug effects*; D003251:Constriction, Pathologic; D005260:Female; D005541:Forced Expiratory Volume; D006801:Humans; D009241:Ipratropium / Q000009:adverse effects*
chemical_list: D001286:Atropine Derivatives; D009241:Ipratropium