1. Zinc in human nutrition;Prasad;CRC Crit. Rev. Clin. Lab. Sei.,1977
2. Recommended Dietary Allowances. 9th ed., 1980,1980
3. Evidence of dietary copper and zinc deficiency;Klevay;JAMA,1979
4. Zinc and copper in self-selected diets;Holden;J. Am. Dietet. A.,1979
5. Dietary zinc intake of low-income pregnant women of Mexican descent;Hunt;Am. J. Clin. Nutr.,1979