title: Bronchoconstriction reflex in bronchial asthma.
mesh_terms: D000109:Acetylcholine / Q000009:adverse effects; D000328:Adult; D000403:Airway Resistance / Q000187:drug effects; D001249:Asthma / Q000503:physiopathology*; D001986:Bronchial Spasm / Q000139:chemically induced*; D006632:Histamine / Q000009:adverse effects; D006801:Humans; D012018:Reflex / Q000187:drug effects*
chemical_list: D006632:Histamine; D000109:Acetylcholine