1. Cystinosis: A review of the different forms and of recent advances

   • Wolfgang Kroll
   • Karl-Henning Lichte

   Reviews Pages: 75 - 87

2. Human karyotype polymorphism

   • A. -V. N. Mikelsaar
   • S. J. Tüür
   • M. E. Käosaar

   Original Investigations Pages: 89 - 101

3. The effect of ultrasound on human chromosomes in vitro

   • H. -D. Rott
   • R. Soldner

   Original Investigations Pages: 103 - 112

4. X-Chromosomal recessive microcephaly with epilepsy, spastic tetraplegia and absent abdominal reflexes. New variety of “Paine syndrome”?

   • E. Seemanová
   • I. Lesný
   • M. Prošková

   Original Investigations Pages: 113 - 117

5. I-Cell disease (mucolipidosis type II) serum hydrolases in obligate heterozygotes

   • Jules G. Leroy
   • August F. Van Elsen

   Original Investigations Pages: 119 - 123

6. Early developmental changes of the lactate dehydrogenase isoenzyme pattern in mouse, rat, guinea-pig, Syrian hamster and rabbit

   • Wolfgang Engel
   • Ulrich Petzoldt

   Original Investigations Pages: 125 - 131

7. Onset of synthesis of mitochondrial enzymes during mouse development

   • Wolfgang Engel

   Original Investigations Pages: 133 - 140

8. Genhäufigkeiten einiger Enzympolymorphismen in Mittelmeerländern

   • B. Brinkmann
   • J. Reiter
   • O. Krüger

   Originalarbeiten Pages: 141 - 146

9. Distribution of enzyme groups and serum proteins in a North German population

   • Swadesh Seth
   • Helmut Berndt

   Short Communications Pages: 147 - 150

10. New observations on the human and chimpanzee karyotypes

    • Catherine Turleau
    • J. de Grouchy

    Short Communications Pages: 151 - 157

11. Cytological mapping of the genes assigned to the human A 1 chromosome by use of radiation-induced chromosome breakage in a human-Chinese hamster hybrid cell line

    • Wim Burgerhout
    • Harry van Someren
    • Dirk Bootsma

    Short Communications Pages: 159 - 162

12. 46,XXip karyotype in a woman with normal stature and gonadal dysgenesis without other congenital anomalies

    • H. van den Berghe
    • J. P. Fryns
    • F. Devos

    Short Communications Pages: 163 - 166

13. On the molecular basis of Sandhoff's disease

    • H. -H. Ropers
    • U. Schwantes

    Short Communications Pages: 167 - 170

14. Specific staining of the human No. 1 chromosome in spermatozoa

    • Joep Geraedts
    • Peter Pearson

    Short Communications Pages: 171 - 173

15. Transport and storage of amniotic fluid samples for prenatal diagnosis of metabolic diseases

    • M. F. Niermeijer
    • D. Halley
    • K. L. Garver

    Short Communications Pages: 175 - 178

16. Genetic distances in respect of AB0 blood groups among four castes of Assam, India

    • Bhuban M. Das
    • Priyabala Das
    • Renuka Das

    Short Communications Pages: 179 - 181

17. The radial arch pattern on the human hypothenar

    • S. De Bie
    • M. Hayashi

    Short Communications Pages: 183 - 184

18. Contribution on the genetics of serum β-lipoprotein in man

    • G. Morganti
    • P. E. Beolchini
    • A. Vierucci

    Short Communications Pages: 185 - 186

19. Partial trisomy 14 following a balanced reciprocal translocation t(14q-;21q+)

    • R. A. Pfeiffer
    • K. Büttinghaus
    • H. Struck

    Clinical Case Reports Pages: 187 - 189

20. Chromosome studies in a thymoma in vitro

    • Ulf Kristoffersson

    Clinical Case Reports Pages: 191 - 192

21. A comment to the paper: Localization exclusion of the HL-A genes from the short arm of human chromosome 5

    • Štefan Nyulassy
    • Villiam Izakovič

    Letters to the Editors Pages: 193 - 194