1. Ring chromosome 10 Associated with multiple congenital malformations

   • G. Simoni
   • F. Rossella
   • C. Piria-Schwarz

   Original Investigations Pages: 117 - 121

2. Interstitial deletion of the short arm of chromosome 2 in a moderately mentally retarded boy without gross clinical stigmata

   • J. P. Fryns
   • P. De Waele
   • H. Van Den Berghe

   Original Investigations Pages: 123 - 125

3. Multibranched chromosomes 1, 9, and 16 in a patient with combined IgA and IgE deficiency

   • L. Tiepolo
   • Paola Maraschio
   • C. Romano

   Original Investigations Pages: 127 - 137

4. Localisation du gène phosphoglycolate phosphatase (PGP) sur le chromosome 16 par l'hybridation cellulaire interspecifique

   • Dominique Weil
   • Nguyen Van Cong
   • J. Frézal

   Original Investigations Pages: 139 - 145

5. Inverse maternal age effect in monosomy X

   • T. Kajii
   • K. Ohama

   Original Investigations Pages: 147 - 151

6. Complete (classic) hydatidiform mole with 46,XY karyotype of paternal origin

   • U. Surti
   • A. E. Szulman
   • S. O'Brien

   Original Investigations Pages: 153 - 155

7. An r(22)(p11→q13) in a moderately mentally retarded girl

   • V. Aller
   • J. A. Abrisqueta
   • J. Del Mazo

   Original Investigations Pages: 157 - 162

8. The use of bone core biopsies for cytogenetic analysis

   • Paulette Martin
   • Janet D. Rowley
   • Joseph M. Baron

   Original Investigations Pages: 163 - 166

9. Reduced frequency of sister chromatid exchanges in human lymphocytes cultured with autologous serum

   • P. K. Ghosh
   • Reita Nand

   Original Investigations Pages: 167 - 170

10. Structural differences in reciprocal translocations

    • A. Daniel

    Original Investigations Pages: 171 - 182

11. Transplacental mutagenesis: The micronucleus test on fetal mouse blood

    • M. -T. King
    • D. Wild

    Original Investigations Pages: 183 - 194

12. Detection of carriers and prenatal diagnosis for fucosidosis in Calabria

    • P. Durand
    • R. Gatti
    • G. Romeo

    Original Investigations Pages: 195 - 201

13. Genetic load in an isolated tribal population of south India

    • Aloke K. Ghosh
    • Partha P. Majumder

    Original Investigations Pages: 203 - 208

14. Hb E gene in imphal, manipur (India)

    • M. R. Chakravartti
    • Amal Kumar Roy

    Short Communications Pages: 209 - 211

15. G6PD deficiency with Gd(-)A like variant in a Chinese family from Cambodia

    • J. L. Viallard
    • D. Cottreau
    • B. Dastugue

    Short Communications Pages: 213 - 215

16. Human pancreatic amylase polymorphism: Formal genetics and population genetics

    • J. Kömpf
    • G. Siebert
    • H. Ritter

    Short Communications Pages: 217 - 220

17. Serum albumin variants from populations of Andhra Pradesh, S. India

    • P. R. Rao
    • J. D. Goud
    • B. R. Swamy

    Short Communications Pages: 221 - 224

18. 6-PGD polymorphism: A fast ‘Elcho’ variant found in Finland

    • Kirsti Virtaranta-Knowles
    • Harri R. Nevanlinna

    Short Communications Pages: 225 - 226

19. Down's syndrome in brother and sister without evident trisomy 21

    • C. Parloir
    • J. P. Fryns
    • H. Van den Berghe

    Clinical Case Reports Pages: 227 - 230

20. A girl with karyotype 46,XX,del(7)(pter→q32:)

    • Ursula Friedrich
    • Ole Østerballe
    • Jan Jørgensen

    Clinical Case Reports Pages: 231 - 235

21. Primary mesodermal dysgenesis of the cornea (Peters' anomaly) in two brothers

    • M. Boel
    • J. Timmermans
    • H. Van den Berghe

    Clinical Case Reports Pages: 237 - 240