Ataxia-telangiectasia: an inherited disorder of ionizing-radiation sensitivity in man P. J. McKinnon Review Article Pages: 197 - 208
Newly characterized genetic polymorphism of uropepsinogen group A (PGA) using both isoelectric focusing and immunoblotting Koichiro KishiToshihiro Yasuda Original Investigations Pages: 209 - 212
DNA microextraction from dried blood spots on filter paper blotters: potential applications to newborn screening Edward R. B. McCabeShu-Zhen HuangMartha L. Law Original Investigations Pages: 213 - 216
Population data on benign and severe forms of X-linked muscular dystrophy M. L. MostacciuoloA. LombardiC. Angelini Original Investigations Pages: 217 - 220
Localization and cloning of Xp21 deletion breakpoints involved in muscular dystrophy Anthony P. MonacoCorlee J. BertelsonLouis M. Kunkel Original Investigations Pages: 221 - 227
Further cytologic evidence for Xp-Yp translocation in XX males using in situ hybridization with Y-derived probe R. Ellen MagenisMyriam CasanovaRobert Sheehy Original Investigations Pages: 228 - 233
Hunter syndrome: presence of material cross-reacting with antibodies against iduronate sulfatase Aurora DanielePaola Di Natale Original Investigations Pages: 234 - 238
Three-way differentiation of sister chromatids in endoreduplicated (M3) chromosomes of Bloom syndrome B-lymphoid cell line R. BamezaiY. Shiraishi Original Investigations Pages: 239 - 243
A common restriction fragment length polymorphism of the human apolipoprotein E gene and its relationship to type III hyperlipidaemia E. C. KlasenP. J. TalmudS. E. Humphries Original Investigations Pages: 244 - 247
An α-fucosidase pseudogene on human chromosome 2 B. CarrittH. M. Welch Original Investigations Pages: 248 - 250
Down syndrome with duplication of a region of chromosome 21 containing the CuZn superoxide dismutase gene without detectable karyotypic abnormality J. L. HuretJ. M. DelabarP. M. Sinet Original Investigations Pages: 251 - 257
Distribution of Gd- alleles in some ethnic groups of the USSR Xenia D. KrasnopolskayaTatiana L. Shatskaya Original Investigations Pages: 258 - 263
DNA polymorphic patterns and haplotype arrangements of the apo A-1, apo C-III, apo A-IV gene cluster in different ethnic groups Hiroko PaulDavid GaltonJoseph Stocks Original Investigations Pages: 264 - 268
Population genetics implications of the premutation hypothesis for the generation of the fragile X mental retardation gene R. M. Winter Original Investigations Pages: 269 - 271
α-Thalassemia haplotypes in the Algerian population T. HenniF. MorléJ. Godet Original Investigations Pages: 272 - 276
Cystic fibrosis—a single locus disease? Jürgen GedscholdSiegfried KropfMargot Berger Original Investigations Pages: 277 - 280
DNA deletions in mild and severe Becker muscular dystrophy Kevin A. HartShirley HodgsonMartin Bobrow Original Investigations Pages: 281 - 285
Prenatal diagnosis of X-linked choroideremia with mental retardation, associated with a cytologically detectable X-chromosome deletion S. V. HodgsonM. E. RobertsonM. E. Pembrey Original Investigations Pages: 286 - 290
Three-point linkage analysis employing C3 and 19cen markers assigns the myotonic dystrophy gene to 19q Ursula FriedrichHan BrunnerHans-Hilger Ropers Original Investigations Pages: 291 - 293
Hypothesis regarding the nature of the fragile X mutation W. T. BrownS. L. ShermanC. S. Dobkin Short Communication Pages: 294 - 295
Ascertainment bias and power of procedures to estimate differences between male and female mutation rates Gerard J. te MeermanEdgar R. KarelLeo P. ten Kate Letters to the Editors Pages: 296 - 296