1. Provisional tables on the zinc content of foods;MURPHY;J. Am. Dietet. A.,1975
2. Copper content of foods;PENNINGTON;J. Am. Dietet. A.,1973
3. Zinc content of selected foods;FREELAND;J. Am. Dietet. A.,1976
4. Zinc content of selected foods;HAEFLEIN;J. Am. Dietet. A.,1977
5. Inorganic elements in foods used in hospital menus;GORMICAN;J. Am. Dietet. A.,1970