1. Editorial

   • David C. Thomasma
   • Evert van Leeuwen
   • Gerrit Kimsma

   OriginalPaper Pages: 423 - 423

2. Paradigm Changes in Organ Transplantation: A Journey Toward Selflessness?

   • Kenneth F. Schaffner

   OriginalPaper Pages: 425 - 440

3. Transplantation Tolerance, Microchimerism, and the Two-Way Paradigm

   • Thomas E. Starzl
   • Anthony J. Demetris

   OriginalPaper Pages: 441 - 455

4. Conceptual Shifts in Immunology: Comments on the ‘Two-Way Paradigm’

   • Alfred I. Tauber

   OriginalPaper Pages: 457 - 473

5. The Self-Nonself Discrimination in the Context of Function

   • Melvin Cohn

   OriginalPaper Pages: 475 - 484

6. Response to Melvin Cohn

   • Alfred I. Tauber

   OriginalPaper Pages: 485 - 494

7. A Reply to Tauber

   • Melvin Cohn

   OriginalPaper Pages: 495 - 504

8. Call for Papers

   OriginalPaper Pages: 505 - 506