title: Northern fowl mite (Ornithonyssus sylviarum) in occupational asthma of poultry workers.
mesh_terms: D000382:Agricultural Workers' Diseases / Q000209:etiology*; D000485:Allergens / Q000276:immunology; D000818:Animals; D001249:Asthma / Q000209:etiology*; D006801:Humans; D008924:Mite Infestations / Q000150:complications* / Q000635:transmission; D008925:Mites / Q000276:immunology; D011200:Poultry
chemical_list: D000485:Allergens