1. Gut bacterial endotoxin: Influence on gut-associated lymphoreticular tissue and host immune function

   • Jerry R. McGhee
   • Hiroshi Kiyono
   • Charles D. Alley

   Guest Editorial Reviews Pages: 241 - 252

2. Active mechanisms of immunological tolerance

   • Milan Hašek
   • Tomáš Hraba

   Guest Editorial Reviews Pages: 253 - 258

3. Experimental immunoproliferative diseases

   • S. David Hudnall

   Guest Editorial Reviews Pages: 259 - 263

4. Immunogenicity of intestinal basement membrane

   • Carol J. Soroka
   • Milton M. Weiser
   • Boris Albini

   Guest Editorial Reviews Pages: 264 - 273

5. Pharmacological modification of immunoregulatory activity of lymphocytes: Facts and potential1

   • Stephen H. Polmar

   Guest Editorial Reviews Pages: 274 - 279

6. Regulatory properties of mononuclear phagocytes reflect specialized functional status

   • Michael J. Parmely

   Guest Editorial Reviews Pages: 280 - 285

7. Biochemical events in cell activation

   • Louis Simchowitz

   Symposium Pages: 286 - 287

8. Granulocyte activation

   • P. H. Naccache
   • R. I. Sha’afi

   Symposium Pages: 288 - 294

9. Biochemical events associated with lymphocyte activation

   • H. James Wedner

   Symposium Pages: 295 - 303

10. Lipid metabolism and the initiation and regulation of mediator release from mast cells

    • Donald A. Kennerly

    Symposium Pages: 304 - 310

11. Anti-Idiotypic autoimmunity - a necessity for species survival

    • Nicole Suciu-Foca
    • Heinz Kohler
    • Donald West King

    Hypothesis and Theory Pages: 311 - 318