title: [What is certain in the prophylaxis of bronchial asthma].
mesh_terms: D000485:Allergens / Q000276:immunology; D001249:Asthma / Q000276:immunology / Q000517:prevention & control*; D006801:Humans
chemical_list: D000485:Allergens
vernacular_title: Was ist gesichert in der Prophylaxe des Asthma bronchiale?