1. Recent developments in Foetal Haemoglobin Research

   • Hezekiah Kamuzora

   Reviews Pages: 197 - 205

2. Transmission of a t(13q22q) chromosome observed in three generations with segregation of the translocation D₁-trisomy syndrome

   • T. Abe
   • M. Morita
   • H. Fujita

   Original Investigations Pages: 207 - 215

3. Association of pericentric inversion of chromosome 9 and reproductive failure in ten unrelated families

   • J. Boué
   • J. L. Taillemite
   • A. Boué

   Original Investigations Pages: 217 - 224

4. Variation in human acrocentric chromosomes with acridine orange reverse banding

   • Ram S. Verma
   • Herbert A. Lubs

   Original Investigations Pages: 225 - 235

5. Comparative studies on the human glutamate-pyruvate transaminase phenotypes — GPT 1, GPT 2-1, GPT 2

   • Simon Welch

   Original Investigations Pages: 237 - 249

6. Apparent “in situ” clone of cytogenetically marked ataxia-telangiectasia lymphocytes

   • Ernest B. Hook
   • Norma H. Hatcher
   • Orysia J. Calka

   Original Investigations Pages: 251 - 257

7. A case of extra small acrocentric bisatellited chromosome in a non mongoloid child

   • M. Furbetta
   • G. Rosi
   • A. Cao

   Short Communications Pages: 259 - 263

8. A new contribution to the study of 22 trisomy

   • Amalia Pérez-Castillo
   • J. A. Abrisqueta
   • V. Aller

   Short Communications Pages: 265 - 271