1. Polypeptides controlling hematopoietic blood cell development and activation

   • F. Herrmann
   • A. Lindemann
   • R. Mertelsmann

   Review Article Pages: 173 - 179

2. Cooperative effects of gamma-interferon and 1α, 25-dihydroxyvitamin D₃ on in vitro differentiation of the blast cells of RAEB and RAEB-T

   • Kaoru Tohyama
   • Seiichi Ohmori
   • Haruto Uchino

   Original Article Pages: 181 - 186

3. Patterns of adenosine deaminase, ecto-5′-nucleotidase, poly(A)polymerase and surface light chain expression in chronic lymphocytic leukemias

   • Theoni Trangas
   • Nelly Courtis
   • Chris M. Tsiapalis

   Original Article Pages: 187 - 193

4. Cytochemical studies of normal feline blood and bone marrow cells

   • N. C. Jain
   • C. S. Kono
   • B. R. Madewell

   Original Article Pages: 195 - 199

5. Book reviews

   • H. Bleyl
   • J. Grulich-Henn
   • I. Schedel

   BookReview Pages: 200 - 200

6. Heterozygous protein C deficiency type I

   • B. Kemkes-Matthes

   Original Article Pages: 201 - 206

7. Osteosclerotic myeloma with polyneuropathy and hypocalcemia

   • Christof Ludescher
   • Kurt Grünewald
   • Kurt Werner Schmid

   Original Article Pages: 207 - 210

8. Clinical effectiveness of desmopressin in a case of acquired von Willebrand's syndrome associated with benign monoclonal gammopathy

   • G. Castaman
   • F. Rodeghiero
   • M. Ruggeri

   Original Article Pages: 211 - 213

9. Detection of P-glycoprotein in human leukemias using monoclonal antibodies

   • J. Mattern
   • T. Efferth
   • M. Volm

   Short Communication Pages: 215 - 217

10. Toluene — associated myelofibrosis

    • X. Bosch
    • J. Ma Campistol
    • L. Revert

    Letter To The Editor Pages: 219 - 220