1. Relationship of age to rat lung collagen synthesis in response to ozone exposure

   • Allen D. Hacker
   • Mohammad G. Mustafa
   • Si Duk Lee

   OriginalPaper Pages: 1 - 5

2. Age-related changes in renal metabolism of acetaminophen in male Fischer 344 rats

   • William P. Beierschmitt
   • Myron Weiner

   OriginalPaper Pages: 7 - 13

3. Arachidonic acid-induced platelet aggregation and malondialdehyde production in dogs of various ages and in dogs affected with canine ceroid lipofuscinosis

   • R. M. Clemmons
   • Donald Armstrong
   • M. R. Dorsey-Lee

   OriginalPaper Pages: 15 - 19

4. Effect of vitamin E on the immune response to influenza virus vaccine and the incidence of infectious disease in man

   • Denham Harman
   • Roberta White Miller

   Brief Communication Pages: 21 - 23

5. Nutrition and longevity in Peru

   • Johann H. Firbas

   Letter to the Editor Pages: 25 - 25

6. Notices

   Announcement Pages: 36 - 36