The critical region on the human Xq Eeva ThermanRenata LaxovaBarbara Susman Review Article Pages: 455 - 461
Variability in expression of common fragile sites: in search of a new criterion Diane K. JordanTrudy L. BurnsShivanand R. Patil Original Investigations Pages: 462 - 466
TaqI HLA-B and -DRB RFLP analysis can predict disease in siblings of affected children with 21-hydroxylase deficiency Olle OlerupHolger LuthmanBarbro Haglund-Stengler Original Investigations Pages: 467 - 472
The gene for 17beta-hydroxysteroid dehydrogenase maps to human chromosome 17, bands q12–q21, and shows an RFLP with ScaI Robert WinqvistHellevi PeltoketoReijo Vihko Original Investigations Pages: 473 - 476
Leukaemia and transient leukaemia in Down syndrome Lennart IseliusPatricia JacobsNewton Morton Original Investigations Pages: 477 - 485
Y isochromosome associated with a mosaic karyotype and inactivation of the centromere Thomas HaafMichael Schmid Original Investigations Pages: 486 - 490
Deletion of specific sequences or modification of centromeric chromatin are responsible for Y chromosome centromere inactivation Paola MaraschioOrsetta ZuffardiRossella Tupler Original Investigations Pages: 491 - 494
Significance of structural chromosome aberrations in human sperm: analysis of induced aberrations A. GenescáJ. BenetJ. Egozcue Original Investigations Pages: 495 - 499
Identification of a compound heterozygote for adenine phosphoribosyltransferase deficiency (APRT*J/APRT*Q0) leading to 2,8-dihydroxyadenine urolithiasis Naoyuki KamataniShoko KuroshimaMasayuki Hakoda Original Investigations Pages: 500 - 504
β-Galactosidase-deficient human fibroblasts: uptake and processing of the exogenous precursor enzyme expressed by stable transformant COS cells Akihiro OshimaKohji ItohYoshiyuki Suzuki Original Investigations Pages: 505 - 508
Locus assignment of human α-globin structural mutants by selective enzymatic amplification of α1 and α2-globin cDNAs Avgi MamalakiMargrit HoranyiNicholas K. Moschonas Original Investigations Pages: 509 - 512
Involvement of the region 13q14 in a patient with adamantinoma of the long bones Gabriella SozziMonica MiozzoGiuseppe Della Porta Original Investigations Pages: 513 - 515
Investigation of three patients with the “ring syndrome”, including familial transmission of ring 5, and estimation of reproductive risks K. D. MacDermotE. JackM. d'A. Crawfurd Original Investigations Pages: 516 - 520
The origin of sickle cell alleles in Israel Deborah RundNaomi KornhendlerAriella Oppenheim Original Investigations Pages: 521 - 524
Amplification of the COL2A1 3′ variable region used for segregation analysis in a family with the Stickler syndrome Linda PriestleyD. KumarBryan Sykes Original Investigations Pages: 525 - 526
The human QARS locus: assignment of the human gene for glutaminyl-tRNA synthetase to chromosome 1q32–42 N. KunzeE. BittlerR. Knippers Original Investigations Pages: 527 - 530
Molecular analysis of the human MHC class I region in hereditary haemochromatosis Deirdre K. LordI. DunhamTimothy M. Cox Original Investigations Pages: 531 - 536
Molecular characterisation of two alpha-1-antitrypsin deficiency variants: proteinase inhibitor (Pi) NullNewport (Gly115→Ser) and (Pi) Z Wrexham (Ser−19→Leu) Alexander GrahamNoor A. KalshekerAlexander F. Markham Original Investigations Pages: 537 - 540
Linkage disequilibrium detected between dystrophia myotonica and APOC2 locus in the Finnish population Pekka NokelainenLeena Alanen-KurkiLeena Peltonen Original Investigations Pages: 541 - 545
Chromosomal aberrations in patients with primary biliary cirrhosis Arman NotghiUrsula NestleChristian Rittner Original Investigations Pages: 546 - 550
In situ chromosome preparation technique for simultaneous cytogenetic and immunocytochemical studies on cell cultures of solid tumors Wolfram HennJutta LehrKlaus D. Zang Short Communications Pages: 551 - 554
Rapid diagnosis of Miller-Dieker syndrome and isolated lissencephaly sequence by the polymerase chain reaction Jacqueline R. BatanianSusan A. LedbetterDavid H. Ledbetter Short Communications Pages: 555 - 559
Close linkage of the Wilsons's disease locus to D13S12 in the chromosomal region 13q21 and not to ESD in 13q14 Roderick H. J. HouwenHans SchefferCharles H. C. M. Buys Short Communications Pages: 560 - 562
Deletion 3q27→3qter associated with a new skin disorder? Rudolf Happle Letters to the Editors Pages: 563 - 564