1. Can mammalian and non‐mammalian “sentinel species”; data be used to evaluate the human health implications of environmental contaminants?
2. Schwabe CW. Animal monitors of the environment. In: Veterinary Medicine and Human Health 3rd ed. Baltimore MD:W'lliams & Wilkins 1984562-578.
3. Burrell GA Seibert FM. Gases found in coal mines. Miners' Circular 14. Washington DC:Bureau of
4. The effects of the fog on cattle in Mines, Department of the Interior (1916);Veterinarian;London. Veterinarian,1874
5. Veterinarian. The effects of the recent fog on the 47:32-33 (1874). Smithfield Show and the London dairies. Veterinarian