title: Bronchial reactivity.
mesh_terms: D000403:Airway Resistance; D001249:Asthma / Q000503:physiopathology; D001285:Atropine; D001980:Bronchi / Q000473:pathology / Q000503:physiopathology*; D001985:Bronchial Provocation Tests; D004848:Epithelium / Q000473:pathology; D006801:Humans; D009119:Muscle Contraction; D009130:Muscle, Smooth / Q000473:pathology / Q000503:physiopathology; D010275:Parasympathetic Nervous System / Q000503:physiopathology; D013564:Sympathetic Nervous System / Q000503:physiopathology
chemical_list: D001285:Atropine