Studies on DNA markers (D4S10 and D4S43/S127) genetically linked to Huntington's disease in Japanese families Ichiro KanazawaIkuko KondoJames F. Gusella Original Investigation Pages: 257 - 260
High-resolution dynamic and morphological G-bandings (GBG and GTG): a comparative study Nicole LemieuxRégen DrouinClaude-Lise Richer Original Investigation Pages: 261 - 266
Differential bleomycin susceptibility in cultured lymphocytes of fragile X patients and normal individuals Shuan-Yow LiJen-Kun Lin Original Investigation Pages: 267 - 271
Molecular characterization of β-thalassemia mutations in Egypt A. NovellettoM. HafezL. Terrenato Original Investigation Pages: 272 - 274
Prenatal diagnosis and linkage disequilibrium with cystic fibrosis for markers surrounding D7S8 Michael DeanJean A. AmosMichael C. Iannuzzi Original Investigation Pages: 275 - 278
HLA class I gene polymorphism in genetic hemochromatosis Anne-Marie JouanolleJacqueline YaouanqVéronique David Original Investigation Pages: 279 - 282
Risk of nonocular cancer in first-degree relatives of retinoblastoma patients Jørgen H. OlsenJens WintherPeter de Nully Brown Original Investigation Pages: 283 - 287
Somatic origin of inherited haemophilia A Annette H. J. T. Bröcker-VriendsErnest BriëtPeter L. Pearson Original Investigation Pages: 288 - 292
Prenatal diagnosis of α-thalassemia by polymerase chain reaction and dual restriction enzyme analysis Roger V. LeboRandall K. SaikiMitchell S. Golbus Original Investigation Pages: 293 - 299
Two mutations within the coding sequence of the phenylalanine hydroxylase gene Elisabeth SvenssonBjörn AnderssonLars Hagenfeldt Original Investigation Pages: 300 - 304
Linkage relationships of the apolipoprotein C1 gene and a cytochrome P450 gene (CYP2A) to myotonic dystrophy Kathryn V. WalshHelen G. HarleyDuncan J. Shaw Original Investigation Pages: 305 - 310
Inheritance of some electrophoretic phenotypes of human hair M. SchimkatM. P. BaurJ. Henke Original Investigation Pages: 311 - 314
Improved carrier detection of haemophilia A using novel RFLPs at the DXS115 (767) locus P. JedlickaS. GreerD. N. Cooper Original Investigation Pages: 315 - 318
DNA sequence analysis of the KM19 locus linked to cystic fibrosis R. AnwarK. MurrayA. F. Markham Original Investigation Pages: 319 - 323
Localisation of a dystrophin-related autosomal gene to 6q24 in man, and to mouse chromosome 10 in the region of the dystrophia muscularis (dy) locus V. J. BuckleJ. L. GuenetK. E. Davies Original Investigation Pages: 324 - 326
Distribution and characterization of a Sandhoff disease-associated 50-kb deletion in the gene encoding the human β-hexosaminidase β-chain Hennie BikkerFrank M. van den BergPiet A. Bolhuis Original Investigation Pages: 327 - 329
Pericentromeric structure of human X “isochromosomes”: evidence for molecular heterogeneity Cecil B. SharpH. Melanie BedfordHuntington F. Willard Original Investigation Pages: 330 - 336
Chromosomes 17 and 22 involved in marker formation in neurofibrosarcoma in von Recklinghausen disease Hans-Joachim H. DeckerLinda A. CannizzaroAvery A. Sandberg Original Investigation Pages: 337 - 342
Gametic equilibrium between 24 polymorphic markers Jaime L. HernándezRobert C. ElstonLaura J. Ward Original Investigation Pages: 343 - 348
Polymorphism and mapping of the IGF1 gene, and absence of association with stature among African Pygmies Anne BowcockVittorio Sartorelli Original Investigation Pages: 349 - 354
Paternal age and trisomy among spontaneous abortions Maureen HatchJennie KlineDorothy Warburton Original Investigation Pages: 355 - 361
Immunochemical quantification of Cu/Zn superoxide dismutase in prenatal diagnosis of Down's syndrome Tomas PorstmannRoselotte WietschkeRüdiger von Baehr Original Investigation Pages: 362 - 366
Prenatal diagnosis of genodermatoses by ultrastructural diagnostic markers in extra-embryonic tissues: defective hemidesmosomes in amnion epithelium of fetuses affected with epidermolysis bullosa Herlitz type (an alternative prenatal diagnosis in certain cases) Ingrid HausserIngrun Anton-Lamprecht Original Investigation Pages: 367 - 375
Mapping the human gene coding for chromosomal protein HMG-17 Nicholas PopescuDavid LandsmanMichael Bustin Short Communications Pages: 376 - 378
Premature centromere division of a translocation-carrier autosome Károly MéhesGyörgy Kosztolányi Short Communications Pages: 379 - 380
Characterisation of the alpha-1-antitrypsin M3 gene, a normal variant Alexander GrahamKaren HayesNoor A. Kalsheker Short Communications Pages: 381 - 382
The human PDGF receptor α-subunit gene maps to chromosome 4 in close proximity to c-kit R. G. K. GronwaldD. A. AdlerD. F. Bowen-Pope Short Communications Pages: 383 - 385
Disomic homozygosity and leukemia in Down's syndrome Raffaele SansoneMauro PierluigiPaolo Strigini Letters to the Editors Pages: 386 - 386
Factual, statistical and logical issues in the search for a paternal age effect for Down syndrome Ernest B. HookPhilip K. CrossRonald R. Regal Letters to the Editors Pages: 387 - 388
An update on the frequency of mucopolysaccharide syndromes in British Columbia R. B. LowryD. A. ApplegarthN. Y. Thunem Letters to the Editors Pages: 389 - 390