1. Neue Befunde zur Struktur der Chromosomen

   • H. G. Schwarzacher
   • E. Bielek
   • F. Ruzicka

   Review Articles Pages: 125 - 135

2. Premeiotic and early meiotic stages in the pollen mother cells of Eremurus and in human embryonic oocytes

   • Eeva Therman
   • Gloria E. Sarto

   Original Investigations Pages: 137 - 151

3. A new variety of hereditary sensory neuropathy

   • Geoffrey C. Robinson
   • James E. Jan
   • James R. Miller

   Original Investigations Pages: 153 - 161

4. Somatic stability of variant C-band heterochromatin

   • Holger Hoehn
   • Kam Au
   • George M. Martin

   Original Investigations Pages: 163 - 168

5. Elimination of nucleolus organizers in a case of 13/14 Robertsonian translocation

   • James E. Hurley
   • S. Pathak

   Original Investigations Pages: 169 - 173

6. Tentative evidence for 3–4 haematopoetic stem cells in man

   • H. W. Hitzeroth
   • K. Bender
   • J. M. P. Geerthsen

   Original Investigations Pages: 175 - 183

7. A photometric method for quantifying the polymorphisms in human acrocentric chromosomes

   • W. Schnedl
   • U. Roscher
   • R. Czaker

   Original Investigations Pages: 185 - 191

8. Prenatal diagnosis of globoid cell leukodystrophy (Krabbe's disease)

   • K. Harzer

   Original Investigations Pages: 193 - 196

9. A true microculture technique for human lymphocytes

   • Paul I. Countryman
   • John A. Heddle

   Original Investigations Pages: 197 - 200

10. Karyological characterization of a human lymphoblastoid cell line resistant to 6-thioguanine

    • Michihiro C. Yoshida
    • Yoshiaki Kodama

    Original Investigations Pages: 201 - 208

11. Differential chromosomal radiosensitivity within the first G₁-phase of the cell cycle of early-dividing human leukocytes in vitro after stimulation with PHA

    • Bernd Beek
    • Günter Obe

    Original Investigations Pages: 209 - 218

12. Evidence for two additional common alleles at the PGM₁ locus (Phosphoglucomutase-E.C.:2.7.5.1)

    • P. Kühnl
    • U. Schmidtmann
    • W. Spielmann

    Original Investigations Pages: 219 - 223

13. Duchenne muscular dystrophy

    • G. A. Danieli
    • M. L. Mostacciuolo
    • C. Angelini

    Original Investigations Pages: 225 - 231

14. A possible association of long Y chromosomes and fetal loss

    • Shivanand R. Patil
    • Herbert A. Lubs

    Short Communications Pages: 233 - 235

15. Klinefelter's syndrome and incontinentia pigmenti Bloch-Sulzberger

    • Jürgen Kunze
    • Ulrich H. Frenzel
    • Hans-Rudolf Wiedemann

    Clinical Case Reports Pages: 237 - 240

16. The 11q- syndrome

    • John Frank
    • Vincent M. Riccardi

    Clinical Case Reports Pages: 241 - 246