Acrosin, the peculiar sperm-specific serine protease Uwe KlemmWerner Müller-EsterlWolfgang Engel Review Article Pages: 635 - 641
The human transmembrane secretory component (poly-Ig receptor): molecular cloning, restriction fragment length polymorphism and chromosomal sublocalization P. KrajčiK. H. GrzeschikP. Brandtzaeg Original Investigations Pages: 642 - 648
Identification of chromosome 21 DNA polymorphisms for genetic studies in Alzheimer's disease and Down syndrome G. Van CampH. BackhovensC. Van Broeckhoven Original Investigations Pages: 649 - 653
3′ creatine kinase (M-type) polymorphisms linked to myotonic dystrophy in Italian and Spanish populations Massimo GennarelliGiuseppe NovelliBruno Dallapiccola Original Investigations Pages: 654 - 656
Proving paternity of children with deceased fathers Päivi HelminenVivian JohnssonLeena Peltonen Original Investigations Pages: 657 - 660
X-linked recessive chondrodysplasia punctata with XY translocation in a stillborn fetus L. VanMaldergemM. EspeelY. Gillerot Original Investigations Pages: 661 - 664
Cytogenetic studies in leprosy patients before and after chemotherapy Doris D'SouzaB. C. DasI. M. Thomas Original Investigations Pages: 665 - 670
Cystic fibrosis allele frequency, sex ratio anomalies and fertility: a new theory for the dissemination of mutant alleles Dorian J. Pritchard Original Investigations Pages: 671 - 676
The ITI system in South Koreans and iranians analysed by an improved classification procedure Ulrike VogtHartwig CleveH. Werner Goedde Original Investigations Pages: 677 - 679
Cytogenetic and molecular characterization of a small ring chromosome in the complex karyotype of a girl with Turner syndrome Martina GuttenbachJulia KöhlerMichael Schmid Original Investigations Pages: 680 - 684
A small deletion and an adjacent base exchange in a potential stem-loop region of the neurofibromatosis 1 gene Markus StarkGünter AssumWinfrid Krone Original Investigations Pages: 685 - 687
Hypoxanthine-guanine phosphoribosyltransferase deficiency: analysis of HPRT mutations by direct sequencing and allele-specific amplification Donna G. SculleyPaul A. DawsonRoss B. Gordon Original Investigations Pages: 688 - 692
Early preclinical diagnosis of dominant pseudoxanthoma elasticum by specific ultrastructural changes of dermal elastic and collagen tissue in a family at risk Ingrid HausserIngrun Anton-Lamprecht Original Investigations Pages: 693 - 700
Genetic linkage between Huntington disease and the D4S10 locus in South African families: further evidence against non-allelic heterogeneity L. J. GreenbergR. W. MartellJ. Joubert Original Investigations Pages: 701 - 708
Three dimensional reconstruction of human pachytene spermatocyte nuclei of a 17;21 reciprocal translocation carrier: study of XY-autosome relationships M. R. GuichaouaA. de LanversinJ. M. Luciani Original Investigations Pages: 709 - 715
Substitution of Ile-172 to Asn in the steroid 21-hydroxylase B (P450c21B) gene in a Finnish patient with the simple virilizing form of congenital adrenal hyperplasia Jukka PartanenR. Duncan Campbell Original Investigations Pages: 716 - 720
Information content of the Centre d'Etude du Polymorphisme Humain (CEPH) family structures for linkage studies Aravinda Chakravarti Original Investigations Pages: 721 - 724
Mitochondrial DNA mutation in an Italian family with Leber hereditary optic neuropathy Carla CarducciVincenzo LeuzziAlfredo Pontecorvi Short Communications Pages: 725 - 727
A rapid and simple electrophoretic method for the detection of mutations involving small insertion or deletion: application to β-thalassemia Shi-Ping CaiBarry EngDavid H. K. Chui Short Communications Pages: 728 - 730
Recurrent nonsense mutation in exon 7 of the phenylalanine hydroxylase gene B. DworniczakL. KalaydjievaJ. Horst Short Communications Pages: 731 - 733
Sister chromatid exchange (SCE) frequencies differ between directly prepared cytotrophoblasts and cultured mesenchymal core cells Lee P. ShulmanLirong LiSherman Elias Short Communications Pages: 734 - 736
Analysis of 14 cystic fibrosis mutations in five South European populations V. NunesP. GaspariniX. Estivill Short Communications Pages: 737 - 738
A frameshift mutation in exon 2 of the phenylalanine hydroxylase gene linked to RFLP haplotype 1 A. EigelB. DworniczakJ. Horst Short Communications Pages: 739 - 741
Rapid detection of alpha-1-antitrypsin deficiency by analysis of a PCR-induced TaqI restriction site Pamela J. Dry Short Communications Pages: 742 - 744
A new definition of genetic distance Nina Kazarinova-FukshanskyKonrad Hummel Short Communications Pages: 745 - 747
A case of Hirschsprung disease with a chromosome 13 microdeletion, del(13)(q32.3q33.2): potential mapping of one disease locus Armand BottaniYagang XieAlbert Schinzel Clinical Case Report Pages: 748 - 750
SstII polymorphic sites in the promoter region of the human cystatin C gene Milagros BalbínMagnus Abrahamson OriginalPaper Pages: 751 - 752
Detection of frequent BglII polymorphism by polymerase chain reaction and TaqI restriction fragment length polymorphism for 3β-hydroxysteroid dehydrogenase/Δ5-Δ4 isomerase at the human HSDβ3 locus (1p11–p13) Eric RhéaumeJean-François LeblancJacques Simard OriginalPaper Pages: 753 - 754
MAC (morphology antibody chromosomes) technique for in situ chromosome preparations Sakari Knuutila Letters to the Editors Pages: 755 - 757
Multiple sutural synostosis and congenital cataracts M. LeroneG. RomeoC. M. Silengo Letters to the Editors Pages: 758 - 758
Frequency of the cystic fibrosis mutation ΔF508 in Algeria G. LucotteE. BarréS. Berriche Letters to the Editors Pages: 759 - 759
