Table of contents

Research Article

• Report of the MRC Working Party on children conceived by in vitro fertilisation. (1 October, 1990)

  R Harris
• Map of 16 polymorphic loci on the short arm of chromosome 16 close to the polycystic kidney disease gene (PKD1). (1 October, 1990)

  M H Breuning, F G Snijdewint, H Brunner, A Verwest, J W Ijdo, J J Saris, J G Dauwerse, L Blonden, T Keith, D F Callen
• Two step procedure for early diagnosis of polycystic kidney disease with polymorphic DNA markers on both sides of the gene. (1 October, 1990)

  M H Breuning, F G Snijdewint, J G Dauwerse, J J Saris, E Bakker, P L Pearson, G J vanOmmen
• Mouse and hamster mutants as models for Waardenburg syndromes in humans. (1 October, 1990)

  J H Asher, T B Friedman
• Fragile Xq27.3 in female heterozygotes for the Martin-Bell syndrome. (1 October, 1990)

  T Webb, P A Jacobs
• The Nance-Horan syndrome. (1 October, 1990)

  I R Walpole, A Hockey, A Nicoll
• Acquired alopecia, mental retardation, short stature, microcephaly, and optic atrophy. (1 October, 1990)

  R C Hennekam, E G Renckens-Wennen
• A de novo interstitial deletion of 15(q21.2q22.1) in a moderately retarded adult male. (1 October, 1990)

  F Martin, J Platt, E J Tawn, J Burn
• Monozygotic twins with trisomy 18: a report of discordant phenotype. (1 October, 1990)

  J S Schlessel, W T Brown, A Lysikiewicz, R Schiff, A L Zaslav
• Leiomyosarcoma in a patient with trisomy 8 mosaicism. (1 October, 1990)

  M Lessick, J Israel, K Szego, P Wong