1. Sudden death: Correlation with hardness of water supply;Anderson;New Eng. J. Med.,1969
2. Air Pollution Aspects of Cadmium and Its Compounds;Athanassiadis,1969
3. On relationship between water hardness and death rate from cardiovascular disease;Biorck;Acta Med. Scandinav.,1965
4. The relationship of cadmium in the air to cardiovascular death rates;Carroll;J.A.M.A.,1969
5. Intestinal absorption of trace quantities of chromium;Donaldson;J. Lab. Clin. Med.,1966