1. Lack of complementation between xeroderma pigmentosum complementation groups D and H

   • Robert T. Johnson
   • George C. Elliott
   • Valerie C. Joysey

   Original Investigations Pages: 203 - 210

2. Frequency and molecular types of deletional α-thalassemia in Egypt

   • Andrea Novelletto
   • Mohammad Hafez
   • Luciano Terrenato

   Original Investigations Pages: 211 - 213

3. Isolation and characterization of the complete human β-myosin heavy chain gene

   • Klaus W. Diederich
   • Ingrid Eisele
   • Hans-Peter Vosberg

   Original Investigations Pages: 214 - 220

4. Increase of sister chromatid exchanges in excision repair deficient xeroderma pigmentosum

   • Rosa Aledo
   • Georges Renault
   • Alain Aurias

   Original Investigations Pages: 221 - 225

5. Study of restriction fragment length polymorphisms at the human phenylalamine hydroxylase locus and evaluation of its potential application in prenatal diagnosis of phenylketonuria in Chinese

   • Shew-Hsia Chen
   • Kwang-Jen Hsiao
   • Tsung-Sheng Su

   Original Investigations Pages: 226 - 230

6. Linkage analysis of the Duffy blood group marker with several chromosome 1 genes in an extended pedigree with Charcot-Marie-Tooth disease

   • Peter Raeymaekers
   • Christine Van Broeckhoven
   • Antoon Vandenberghe

   Original Investigations Pages: 231 - 233

7. Regional localization of the TIMP gene on the human X chromosome

   • H. F. Willard
   • S. J. Durfy
   • B. R. G. Williams

   Original Investigations Pages: 234 - 238

8. Expression of fragile sites in human sperm and lymphocyte chromosomes

   • J. Benet
   • C. Fuster
   • C. Templado

   Original Investigations Pages: 239 - 242

9. Expression of folate-sensitive fragile sites in lymphocyte chromosomes

   • Carme Fuster
   • Rosa Miró
   • Josep Egozcue

   Original Investigations Pages: 243 - 246

10. Analysis of two 47,XXX males reveals X-Y interchange and maternal or paternal nondisjunction

    • G. Scherer
    • W. Schempp
    • U. Wolf

    Original Investigations Pages: 247 - 251

11. Til 1 — a human lymphoblastoid cell line with minimal DNA methylation

    • Susan Lindsay
    • Roger L. P. Adams
    • Marilyn Monk

    Original Investigations Pages: 252 - 256

12. The human homologues of Fim1, Fim2/c-Fms, and Fim3, three retroviral integration regions involved in mouse myeloblastic leukemias, are respectively located on chromosomes 6p23, 5q33, and 3q27

    • Nguyen Van Cong
    • S. Fichelson
    • P. Tambourin

    Original Investigations Pages: 257 - 263

13. A Pro → Leu substitution in codon 369 of the alpha-1-antitrypsin deficiency variant PI MHeerlen

    • Marten H. Hofker
    • Toshihiro Nukiwa
    • Ronald G. Crystal

    Original Investigations Pages: 264 - 268

14. Incontinentia pigmenti and X-autosome translocations

    • John A. Crolla
    • Simone Gilgenkrantz
    • Martin Bobrow

    Original Investigations Pages: 269 - 272

15. Molecular definition of the 11p15.5 region involved in Beckwith-Wiedemann syndrome and probably in predisposition to adrenocortical carcinoma

    • Isabelle Henry
    • Marc Jeanpierre
    • Claudine Junien

    Original Investigations Pages: 273 - 277

16. Chromosomal assignment of two myosin alkali light-chain genes encoding the ventricular/slow skeletal muscle isoform and the atrial/fetal muscle isoform (MYL3, MYL4)

    • Odile Cohen-Haguenauer
    • Paul J. R. Barton
    • Jean Frézal

    Original Investigations Pages: 278 - 282

17. Linkage of X-linked retinitis pigmentosa to the hypervariable DNA marker M27β (DXS255)

    • Thomas Meitinger
    • Neil A. Fraser
    • Ian W. Craig

    Original Investigations Pages: 283 - 286

18. Demonstration of a Sandhoff disease-associated autosomal 50-kb deletion by field inversion gel electrophoresis

    • Hennie Bikker
    • Frank M. van den Berg
    • Piet A. Bolhuis

    Original Investigations Pages: 287 - 288

19. Nucleolus organizer regions (NOR_s) inserted in 6q15

    • F. Prieto
    • L. Badía
    • F. Palau

    Short Communications Pages: 289 - 290

20. Duplication of an Xp segment that includes the ZFX locus causes sex inversion in man

    • Gerd Scherer
    • Werner Schempp
    • Ulrich Wolf

    Short Communications Pages: 291 - 294

21. Genetic polymorphism of human urine deoxyribonuclease I

    • Koichiro Kishi
    • Toshihiro Yasuda
    • Keiko Mizuta

    Short Communications Pages: 295 - 297

22. A β-thalassemia mutant caused by a 300-bp deletion in the human β-globin gene

    • C. Aulchla-Scholz
    • R. Spiegelberg
    • J. Horst

    Clinical Case Report Pages: 298 - 299

23. Controversy concerning paternal age effect in 47,+21 Down's syndrome

    • Eeva Stene
    • Jon Stene

    Letters to the Editors Pages: 300 - 301

24. Remarks on the article “H-Y antigenicity of human fibroblasts” by C. Jorgensen and E.J. Eichwald

    • Ulf H. Wiberg

    Letters to the Editors Pages: 302 - 303

25. Announcements

    Announcement Pages: 304 - 304