1. Another elliptocytosis locus on chromosome 1?

   • Bronya J. B. Keats

   Original Investigations Pages: 227 - 230

2. A ring chromosome 9 in an infant with malformations

   • T. Inouye
   • H. Matsuda
   • Y. Nakagome

   Original Investigations Pages: 231 - 235

3. Trisomy 9p with i(9p) and t(9q18p)

   • Riitta Herva
   • Maila Koivisto

   Original Investigations Pages: 237 - 240

4. Partial trisomy of 13(pter→q12) due to 47,XY,+der(13),t(13;22)(q12;q13)mat

   • Sri J. Moedjono
   • R. S. Sparkes

   Original Investigations Pages: 241 - 246

5. X-linked mental retardation with macro-orchidism and marker X chromosomes

   • Patricia N. Howard-Peebles
   • Gayle R. Stoddard

   Original Investigations Pages: 247 - 251

6. Familial translocation t(10;21)(q22;q22)

   • Alicia Delicado
   • Isidora Lopez Pajares
   • F. Hawkins

   Original Investigations Pages: 253 - 258

7. Cytogenetic and clinical studies in five cases of inv dup(15)

   • L. Wisniewski
   • T. Hassold
   • J. V. Higgins

   Original Investigations Pages: 259 - 270

8. Concordant congenital malformations in twins with inherited translocation: t(9p-;13q+)

   • Gurbax S. Sekhon
   • Kutay Taysi

   Original Investigations Pages: 271 - 276

9. The influence of culture medium composition on the incidence of chromosomal breakage

   • Marianne Keck
   • Ingrid Emerit

   Original Investigations Pages: 277 - 283

10. Terminal 7p deletion and 1;7 translocation associated with craniosynostosis

    • R. K. Dhadial
    • M. F. Smith

    Original Investigations Pages: 285 - 289

11. Sister chromatid exchange in peripheral lymphocytes of subjects vaccinated against measles

    • B. Lambert
    • A. Ehrnst
    • B. Werelius

    Original Investigations Pages: 291 - 296

12. Cycloheximide-resistance in Chinese hamster ovary cells and human fibroblast cells

    • H. Pöche
    • K. H. Nierhaus
    • Sabine Zakrzewski

    Original Investigations Pages: 297 - 305

13. Determinants of plasma uric acid

    • C. L. Gulbrandsen
    • N. E. Morton
    • A. Kagan

    Original Investigations Pages: 307 - 312

14. On the genetics of the human serum paraoxonase (EC 3.1.1.2)

    • M. Geldmacher-v. Mallinckrodt
    • G. Hommel
    • J. Dumbach

    Original Investigations Pages: 313 - 326

15. High genetic polymorphism of hemoglobin disorders in Laos

    • D. Sicard
    • Y. Lieurzou
    • Dominique Labie

    Original Investigations Pages: 327 - 336

16. Population frequency distribution of erythrocyte glyoxylase I (EC 4.4.1.5) in the greater Detroit area

    • M. D. Stolorow

    Short Communications Pages: 337 - 338

17. A note on the Xp-

    • J. J. Hoo

    Letters to the Editors Pages: 339 - 340

18. Confirmation of regional assignment of nucleoside phosphorylase to band 14q13 by gene-dosage studies

    • B. Dallapiccola
    • M. Magnani
    • P. L. Giorgi

    Letters to the Editors Pages: 341 - 343

19. 4th International Congress of Immunology of the International Union of Immunological Societies IUIS Paris, July 21–26, 1980

    Notes Pages: 344 - 344