1. Haemopoietic progenitor cells in peripheral blood

   • F. E. Zwaan

   Review Article Pages: 87 - 95

2. Suppressor T-cell clones derived from pluripotent stem cells (CFU-GEMM) of a patient with hodgkin's lymphoma

   • A. A. Fauser
   • K. G. Bross
   • G. W. Löhr

   Original Articles Pages: 97 - 102

3. Burst-stimulating activity in sera of patients with polycythemia vera

   • U. Essers
   • A. Niedeggen
   • H. Hövels-Gürich

   Original Articles Pages: 103 - 108

4. A further subspecificity within human monoclonal anti-Pr cold agglutinins

   • D. Roelcke
   • I. J. Forbes
   • V. Lenhard

   Original Articles Pages: 109 - 114

5. Fatal Graft-versus-Host reaction following granulocyte transfusions

   • W. Schmidmeier
   • W. Feil
   • E. Machacek

   Original Articles Pages: 115 - 119

6. Immunoglobulin production and secretion in bence jones protein myeloma and “nonsecretory” myeloma

   • Takeshi Yonezawa
   • Teruo Kitani
   • Seiichiro Tarui

   Original Articles Pages: 121 - 129

7. Acute lead poisoning in inherited porphobilinogen synthase (δ-aminolevulinic acid dehydrase) deficiency

   • M. Doss
   • W. A. Müller

   Original Articles Pages: 131 - 139

8. Lack of factor XII antigen in factor XII deficiency as determined by electroimmunoassay

   • Antonio Girolami
   • Giovanni M. Patrassi
   • Giovanna Cappellato

   Letters To The Editor Pages: 141 - 142

9. Aplastic anaemia in pregnancy

   • Abhimanyu Garg
   • S. Kumar
   • Vinod Kochupillai

   Letters To The Editor Pages: 143 - 144

10. Book reviews

    • G. Gaedicke
    • D. Niethammer
    • D. J. Weatherall

    BookReview Pages: 145 - 147

11. Congresses

    Events Pages: 148 - 149

12. Announcement

    Announcement Pages: 150 - 150