1. Hunter, D.: The Diseases of Occupations. Boston, Little, Brown and Company, 1955, p 389.
2. Metal fume fever
3. Johnstone, R. T. and Miller, S. E.: Occupational Diseases and Industrial Medicine. Philadelphia, W. B. Saunders Company, 1960, p 263.
4. Metal Fume Fever and Its Prevention
5. Patty, F. A.: Industrial Hygiene and Toxicology. Ed 2. New York, Interscience Publishers, 1963, p 1188.