Table of contents

Research Article

• Risk of recurrence after two children with central nervous system malformations in an area of high incidence. (1 April, 1980)

  N C Nevin, W P Johnston
• Concordance rates in twins for anencephaly. (1 April, 1980)

  W H James
• Excess of cancer deaths in grandparents of patients with retinoblastoma. (1 April, 1980)

  C Bonaïti-Pellié, M L Briard-Guillemot
• A family and population study of the genetic polymorphism of debrisoquine oxidation in a white British population. (1 April, 1980)

  D A Evans, A Mahgoub, T P Sloan, J R Idle, R L Smith
• No sex difference in mutations rates of Duchenne muscular dystrophy. (1 April, 1980)

  N Yasuda, K Kondô
• Parental factors associated with rigidity in Huntington's disease. (1 April, 1980)

  C J Brackenridge
• Familial cerebellar ataxia presenting with down beat nystagmus. (1 April, 1980)

  G D Schott
• Syndrome of polydactyly, cleft lip/palate or lingual lump, and psychomotor retardation in endogamic gypsies. (1 April, 1980)

  V Váradi, L Szabó, Z Papp
• Recessive aplasia cutis congenita of the limbs. (1 April, 1980)

  N Freire-Maia, M Pinheiro, C C Ortega
• An epidemiological study of facial clefting in Manitoba. (1 April, 1980)

  J Welch, A G Hunter
• Partial anomalous pulmonary venous drainage in two patients with Turner's syndrome. (1 April, 1980)

  W H Price, R F Willey
• Diaphragmatic hernia in Avon. (1 April, 1980)

  T J David, V M Parker, C A Illingworth
• Monozygotic twins discordant for Wiedemann-Beckwith syndrome and the implications for genetic counselling. (1 April, 1980)

  A C Berry, E M Belton, C Chantler
• A family study of bladder exstrophy. (1 April, 1980)

  E Ives, R Coffey, C O Carter
• Dermatoglyphs and chromosome mosaicism in parents of children with trisomy 18. (1 April, 1980)

  M Holmes-Siedle, S Kerr, R H Lindenbaum, M Bobrow
• Dic(21;21) in a Down's syndrome child with an unusual chromosome 9 variant in the mother. (1 April, 1980)

  J M Berg, H A Gardner, R J Gardner, E G Goh, V D Markovic, N E Simpson, R G Worton
• Hypomelanosis of Ito with triphalangeal thumbs. (1 April, 1980)

  M K Kukolich, B W Althaus, M V Freeman, R C Lewandowski
• HLA Bw35 antigen and human reproduction. (1 April, 1980)

  M Purpura, I Coghi, M Nicotra, E Carapella, E Bottini
• Prenatal study of X-linked aqueductal stenosis. (1 April, 1980)

  P Benke, R Strassberg