1. Dietary chromium deficiency effect on sperm count and fertility in rats

   • Richard A. Anderson
   • Marilyn M. Polansky

   Original Articles Pages: 1 - 5

2. Antibody suppression by zinc and nickel

   • S. Mehrmofakham
   • L. Treagan

   Original Articles Pages: 7 - 11

3. Zinc and insulin metabolism

   • H.-P. Roth
   • M. Kirchgessner

   Review Pages: 13 - 32

4. The chemical composition of bananas market basket values, 1968–1980

   • U. M. Cowgill

   Original Article Pages: 33 - 54

5. Iron and neoplasia

   • Eugene D. Weinberg

   Review Pages: 55 - 80

6. Announcements

   Announcement Pages: 81 - 81