title: Clinical and biological investigations among grain handlers.
mesh_terms: D003877:Dermatitis, Contact / Q000209:etiology; D004391:Dust; D002523:Edible Grain; D004534:Egypt; D004781:Environmental Exposure; D006801:Humans; D009784:Occupational Diseases / Q000209:etiology*; D010437:Peptic Ulcer / Q000209:etiology; D011658:Pulmonary Fibrosis / Q000209:etiology
chemical_list: D004391:Dust