1. Geologic implications of Anthrax;Van Ness,1967
2. Fluorides in water;Maier,1976
3. Magnesium;Rodale,1968
4. Endemic goitre and cretinism at the dawn of the third millennium;Matovinovic;Annual review of nutrition,1983
5. Reducing cancer mortality; a geographical perspective;Foster;Western Geographical Series,1986