1. High resolution analysis and differential condensation in RBA-banded human chromosomes

   • E. Schollmayer
   • D. Schäfer
   • E. Schleiermacher

   Original Investigations Pages: 187 - 193

2. Chromosome abnormalities in newborn children. Physical aspects

   • J. Nielsen
   • K. B. Hansen
   • P. Videbech

   Original Investigations Pages: 194 - 200

3. Baseline and sodium arsenite-induced sister chromatid exchanges in cultured lymphocytes from patients with Blackfoot disease and healthy persons

   • Wu-Nan Wen
   • Tai-Lin Lieu
   • K. Y. Jan

   Original Investigations Pages: 201 - 203

4. Effect of incubation temperature on the frequency of sister chromatid exchanges in Bloom's syndrome lymphocytes

   • J. West
   • M. J. Lyttleton
   • F. Giannelli

   Original Investigations Pages: 204 - 207

5. Non random position of metaphasic chromosomes: A study of radiation induced and constitutional chromosome rearrangements

   • B. Dutrillaux
   • E. Viegas-Péquignot
   • M. Prieur

   Original Investigations Pages: 208 - 210

6. Retinoblastoma-del(13q14): Report of two patients, one with a trisomic sib due to maternal insertion. Gene-dosage effect for esterase D

   • Horacio Rivera
   • Catherine Turleau
   • Jean-Michel Zucker

   Original Investigations Pages: 211 - 214

7. Genetic analysis of human lymphocyte proteins by two-dimensional gel electrophoresis:

   • Hideo Hamaguchi
   • Akihide Ohta
   • Michiko Yamada

   Original Investigations Pages: 215 - 220

8. Ultrasonic induction of sister chromatid exchanges in human lymphocytes

   • Michael Haupt
   • Alice O. Martin
   • Rudy E. Sabbagha

   Original Investigations Pages: 221 - 226

9. Quantitative and qualitative assay of amniotic-fluid acetylcholinesterase in the prenatal diagnosis of neural tube defects

   • Theda Voigtländer
   • Waltraud Friedl
   • Traute M. Schroeder

   Original Investigations Pages: 227 - 231

10. Comparison of mathematical models for the maternal age dependence of Down's syndrome rates

    • Scott H. Lamson
    • Ernest B. Hook

    Original Investigations Pages: 232 - 234

11. Unbalanced Robertsonian translocations associated with Down's syndrome or Patau's syndrome: Chromosome subtype, proportion inherited, mutation rates, and sex ratio

    • Ernest B. Hook

    Original Investigations Pages: 235 - 239

12. BUdR-Giemsa labeling and satellite association in human leukocytes

    • Bernd Beek

    Original Investigations Pages: 240 - 244

13. Correlations between relatives for acrocentric association frequency

    • Moh-Ying Yip
    • Donald P. Fox

    Original Investigations Pages: 245 - 249

14. Homozygous haemoglobin constant spring: A need for revision of concept

    • P. Pootrakul
    • P. Winichagoon
    • P. Wasi

    Original Investigations Pages: 250 - 255

15. Biochemical evidence for the non-inactivation of the steroid sulfatase locus in human placenta and fibroblasts

    • Monique Bedin
    • Dominique Weil
    • Jean Frezal

    Original Investigations Pages: 256 - 258

16. NOR lateral asymmetry and its effect on satellite association in BrdU-labeled human lymphocyte cultures

    • R. J. Strobel
    • S. Pathak
    • T. C. Hsu

    Original Investigations Pages: 259 - 262

17. Neonatal glutaric aciduria type II: An X-linked recessive inherited disorder

    • F. X. Coude
    • H. Ogier
    • J. Frezal

    Clinical Case Reports Pages: 263 - 265

18. 13S+. Giant satellites or de novo rearrangement?

    • K. Imaizumi
    • T. Kajii
    • N. Niikawa

    Clinical Case Reports Pages: 266 - 268