title: Lack of direct evidence that bronchospasm is a prime factor in the production of asthma.
mesh_terms: D000818:Animals; D000937:Antigen-Antibody Reactions; D001249:Asthma / Q000209:etiology* / Q000276:immunology; D001986:Bronchial Spasm / Q000150:complications* / Q000503:physiopathology; D001993:Bronchodilator Agents / Q000494:pharmacology; D004644:Emotions; D006801:Humans; D007249:Inflammation / Q000276:immunology; D008168:Lung / Q000187:drug effects; D012119:Respiration; D013909:Thorax / Q000503:physiopathology
chemical_list: D001993:Bronchodilator Agents