Further studies on compartmentalisation of DNA-topoisomerase I in Fanconi anemia tissue E. Wunder Original Investigations Pages: 276 - 281
Localisation of genetic markers and orientation of the linkage group on chromosome 19 J. D. BrookD. J. ShawP. S. Harper Original Investigations Pages: 282 - 285
The isolation of a genomic clone containing the apolipoprotein CII gene and the detection of linkage disequilibrium between two common DNA polymorphisms around the gene S. C. WallisJ. A. DonaldS. E. Humphries Original Investigations Pages: 286 - 289
Nonrandom distribution of methotrexate-induced aberrations on human chromosomes. Detection of further folic acid sensitive fragile sites G. BarbiP. SteinbachW. Vogel Original Investigations Pages: 290 - 294
Spindle microtubular dysfunction in mothers of Down syndrome children Judith Helen Ford Original Investigations Pages: 295 - 298
Intercellular NOR-AG variability in man O. A. SozanskyA. F. ZakharovV. A. Benjush Original Investigations Pages: 299 - 302
X-linked agammaglobulinemia and the red blood cell determinants Xg and 12E7 are not closely linked E. J. B. M. MensinkJ. D. L. SchotR. K. B. Schuurman Original Investigations Pages: 303 - 309
Prenatal detection of an unstable ring 21 chromosome Gail StettenBernadette SrokaCorinne D. Boehm Original Investigations Pages: 310 - 313
Population studies on human phosphoglucomutase-1 thermostability polymorphism R. ScozzariC. IodiceA. S. Santachiara-Benerecetti Original Investigations Pages: 314 - 317
α-Thalassemia among sickle cell anemia patients in various African populations J. PagnierO. Dunda-BelkhodjaD. Labie Original Investigations Pages: 318 - 319
Aspects of sickle cell gene in Saudi Arabia—interaction with glucose-6-phosphate dehydrogenase deficiency M. A. F. El-HazmiA. S. Warsy Original Investigations Pages: 320 - 323
Mitochondrial DNA polymorphism in Japanese Satoshi HoraiTakashi GojoboriEi Matsunaga Original Investigations Pages: 324 - 332
Conservation of the human COL1A1-TK-GAA synteny and homoeologous assignment in the African green monkey and the baboon (Cercopithecoidae) Nicole Créau-GoldbergCatherine TurleauJean de Grouchy Original Investigations Pages: 333 - 336
Fetal mortality at the time of chorionic villi sampling Abby LippmanMichel J. J. VekemansTracy B. Perry Short Communications Pages: 337 - 339
Homozygosity for fragile site at 17p12 in a 28-year-old healthy man Viliam Izakovič Short Communications Pages: 340 - 341
Hyalinosis cutis et mucosae in siblings E. HanekeO. P. HornsteinW. Steiner Clinical Case Reports Pages: 342 - 345
Verification of Lyon's hypothesis in fragile X carriers Miguel A. De Arce Letters to the Editors Pages: 346 - 347
Genetic aspects of hemifacial microsomia J. M. ConnorC. Fernandez Letters to the Editors Pages: 349 - 349
Yqs in an American family of Scottish descent Kazuso IinumaWladimir WerteleckiV. G. Dev Letters to the Editors Pages: 350 - 350
Confirmation of the assignment of the gene coding for the BA-2 antigen to human chromosome 12 J. J. M. van DongenI. L. M. TetteroA. Hagemeijer Letters to the Editors Pages: 351 - 352