1. Introductory remarks

   • G. Röhrborn
   • H. G. Miltenburger
   • K. L. Radenbach

   Original Investigations Pages: 3 - 7

2. List of participants

   Original Investigations Pages: 8 - 8

3. Nucleus anomaly test in Chinese hamster and in rat after treatment with isoniazid

   • D. Müller
   • M. Langauer
   • A. Grafe

   Original Investigations Pages: 9 - 14

4. Chromosome analysis of bone marrow in mammals after treatment with isoniazid

   • D. Müller
   • F. F. Strasser
   • M. Schulze Schencking

   Original Investigations Pages: 15 - 25

5. Analysis of chromosome aberrations in bone marrow cells of rats after treatment with isoniazid

   • A. Basler

   Original Investigations Pages: 26 - 27

6. Mutagenicity of isoniazid: Testing for somatic chromosome aberrations in mouse embryos

   • Jürgen Fränz

   Original Investigations Pages: 28 - 30

7. Chromosome analyses in man in the course of chemoprophylaxis against tuberculosis and of antituberculosis chemotherapy with isoniazid

   • M. Bauchinger
   • E. Gebhart
   • K. L. Radenbach

   Original Investigations Pages: 31 - 43

8. The effect of isoniazid (INH) on Chinese hamster and mouse spermatogonia

   • H. G. Miltenburger
   • H. Träger
   • D. Müller

   Original Investigations Pages: 44 - 49

9. Cytogenetic study in spermatocytes of mice and Chinese hamsters after treatment with isoniazid (INH)

   • I. -D. Adler
   • A. Schmaltz
   • R. Perret

   Original Investigations Pages: 50 - 54

10. Effects of isoniazid (INH) on the oogenesis of mice

    • G. Röhrborn
    • V. Sezer
    • Ch. Nautsch

    Original Investigations Pages: 55 - 58

11. Concluding remarks

    • G. Röhrborn
    • H. G. Miltenburger
    • K. L. Radenbach

    Original Investigations Pages: 59 - 60

12. A balanced translocation t(11;16)(q13;p11), a cytogenetic study and an attempt at gene localization

    • Peter Gerner-Smidt
    • Ursula Friedrich
    • Jay A. Tischfield

    Original Investigations Pages: 61 - 66

13. Timing of meiotic stages in oocytes of the Syrian hamster (Mesocricetus auratus) and analysis of induced chromosome aberrations

    • A. Basler

    Original Investigations Pages: 67 - 77

14. Silver staining studies on the short arm variant of human chromosome 17

    • Noëlynn Oliver
    • Uta Francke
    • Kenneth M. Taylor

    Original Investigations Pages: 79 - 82

15. The effect of SH-SS transition in the structural organization of mitotic chromosomes

    • György Kosztolányi
    • Erica M. Bühler

    Original Investigations Pages: 83 - 88

16. A case of ring Y chromosome

    • J. L. Taillemite
    • J. van den Akker
    • Ch. Roux

    Clinical Case Reports Pages: 89 - 91

17. Trisomy 9p with an isochromosome of 9p

    • Greg Smith
    • Alice McCaa
    • Thaddeus E. Kelly

    Clinical Case Reports Pages: 93 - 97

18. A nine-year cytogenetic follow-up of a patient injected with thorotrast

    • Takaaki Ishihara
    • Sei-ichi Kohno
    • Toshiyuki Kumatori

    Clinical Case Reports Pages: 99 - 108

19. Familial occurrence of severe ulnar aplasia and lobster claw feet: A new syndrome

    • H. van den Berghe
    • J. Dequeker
    • G. David

    Clinical Case Reports Pages: 109 - 113

20. Hereditary sensory neuropathy, a new type

    • A. Staal
    • K. Mechelse

    Clinical Case Reports Pages: 115 - 118