Basic findings and current developments in sphingolipidoses H. PilzR. HeipertzD. Seidel Review Articles Pages: 113 - 134
Clinical and ultrastructural heterogeneity of type IV Ehlers-Danlos syndrome Peter H. ByersKaren A. HolbrookR. Brian Lowry Original Investigations Pages: 141 - 150
Digital ridge counts and genetic fields D. F. RobertsE. Coope Original Investigations Pages: 151 - 158
Sphingomyelinase activities in cultured skin fibroblasts from patients with Niemann-Pick disease Ryoji MinamiYoshiki MatsuuraTooru Nakao Original Investigations Pages: 159 - 167
Satellite DNA and heterochromatin variants: The case for unequal mitotic crossing over David M. Kurnit Original Investigations Pages: 169 - 186
PEP A9, a new, unstable variant in the peptidase a system P. KühnlK. AnnekenW. Spielmann Original Investigations Pages: 187 - 191
Neuraminidase treatment reveals sialic acid differences in certain genetic variants of the Gc system (vitamin-D-binding protein) Hartwig CleveW. Patutschnick Original Investigations Pages: 193 - 198
Detection of mycoplasma contamination in tissue cultures by fluorescence microscopy Maya ThangaveluH. ErnøA. J. Therkelsen Original Investigations Pages: 199 - 202
The length of the Y chromosome in Nubian males and its location in metaphase spreads Carlos E. NasjletiCharles J. KowalskiMohamed M. Nofal Original Investigations Pages: 203 - 205
Chromosome deletion [46,XX,del(20)(q11)] in agnogenic myeloid metaplasia L. FindleyJ. E. KurnickA. Robinson Clinical Case Reports Pages: 207 - 211
Ring chromosome 22 in a mentally retarded child and mosaic 45,XX,-15,-22,+t(15;22)(p11;q11)/ 46,XX,r(22)/46,XX karyotype in the mother J. P. FrynsH. Van den Berghe Clinical Case Reports Pages: 213 - 216
Partial duplication of the short arm of chromosome 10 J. P. FrynsJ. DerooverH. Van den Berghe Clinical Case Reports Pages: 217 - 220
Prenatal diagnosis and postnatal follow-up of an abnormal child with two de novo apparentely balanced translocations C. StollElisabeth FloriR. Renaud Clinical Case Reports Pages: 221 - 224
Reply to: The use of racial admixture as evidence in intelligence research Sandra ScarrA. J. PakstisW. B. Barker Letters to the Editors Pages: 225 - 226