1. The effect of interferons on cellular differentiation

   • T. Moritz
   • H. Kirchner

   Leading Article Pages: 361 - 370

2. Membrane associated events during proliferative inhibition of granulocyte precursors

   • Haakon Breien Benestad
   • Reino Heikkilä

   Original Articles Pages: 371 - 377

3. Immunoadsorption for removal of anti-A and anti-B blood group antibodies in ABO-incompatible bone marrow transplantation

   • B. Osterwalder
   • A. Gratwohl
   • B. Speck

   Original Articles Pages: 379 - 390

4. Independence of in vitro iron absorption from mucosal transferrin content in rat jejunal and ileal segments

   • K. Schümann
   • K. Osterloh
   • W. Forth

   Original Articles Pages: 391 - 400

5. Acquired immune haemolysis by anti a 1 antibody following bone marrow transplantation

   • R. J. Haas
   • P. Rieber
   • M. U. Heim

   Original Articles Pages: 401 - 404

6. Chronic monocytic leukemia terminating in blastic transformation

   • Anders Wahlin
   • Ingrid Nordenson
   • Göran Roos

   Short Communication Pages: 405 - 409

7. Type I and type II disease in congenital factor XIII deficiency

   • A. Girolami
   • M. G. Cappellato
   • M. Boscaro

   Letter To The Editors Pages: 411 - 413

8. In memoriam Erik Undritz

   • W. Stich

   Memoriam Pages: 415 - 416

9. Book reviews

   • J. Lohmeyer
   • H. Hörmann
   • D. Hoelzer

   BookReview Pages: 417 - 422