1. The dietary intake of trace elements in Sweden;Abdulla,1982
2. Status of research on soil vulnerability to chemical compounds and of related mapping exercises in Belgium;Abts,1991
3. Health hazards from exposure to nitrate and nitrite;Alexander,1986
4. Long-range atmospheric transport of trace elements to southern Norway;Amundsen;Atmos. Environ.,1992
5. Nutritional role of chromium;Anderson;Sci. Total Environ.,1981