Research Article

	A deletion of one nucleotide results in functional deficiency of apolipoprotein CII (apo CII Toronto). D W Cox, D E Wills, F Quan, and P N Ray J Med Genet 1988; 25: 649-652. doi:10.1136/jmg.25.10.649 [Abstract] [PDF] [Request Permissions]
	Four DNA polymorphisms in the LDL receptor gene: their genetic relationship and use in the study of variation at the LDL receptor locus. R Taylor, M Jeenah, M Seed, and S Humphries J Med Genet 1988; 25: 653-659. doi:10.1136/jmg.25.10.653 [Abstract] [PDF] [Request Permissions]
	Prediction of consanguinity using human DNA fingerprints. R A Wells, B Wonke, and S L Thein J Med Genet 1988; 25: 660-662. doi:10.1136/jmg.25.10.660 [Abstract] [PDF] [Request Permissions]
	A simple method for calculating risks before DNA analysis. M Jeanpierre J Med Genet 1988; 25: 663-668. doi:10.1136/jmg.25.10.663 [Abstract] [PDF] [Request Permissions]
	Heterogeneity of familial porphyria cutanea tarda. A G Roberts, G H Elder, R G Newcombe, R Enriquez de Salamanca, and J J Munoz J Med Genet 1988; 25: 669-676. doi:10.1136/jmg.25.10.669 [Abstract] [PDF] [Request Permissions]
	A new high activity plasma cholinesterase variant. A Krause, A B Lane, and T Jenkins J Med Genet 1988; 25: 677-681. doi:10.1136/jmg.25.10.677 [Abstract] [PDF] [Request Permissions]
	Genetic counselling in hereditary osteo-onychodysplasia (HOOD, nail-patella syndrome) with nephropathy. B J Looij, Jr, R L te Slaa, B L Hogewind, and J J van de Kamp J Med Genet 1988; 25: 682-686. doi:10.1136/jmg.25.10.682 [Abstract] [PDF] [Request Permissions]
	Pathological features and prenatal diagnosis in the newly recognised limb/pelvis-hypoplasia/aplasia syndrome. A Raas-Rothschild, R M Goodman, S Meyer, M B Katznelson, S T Winter, E Gross, M Tamarkin, T Ben-Ami, L Nebel, and S Mashiach J Med Genet 1988; 25: 687-697. doi:10.1136/jmg.25.10.687 [Abstract] [PDF] [Request Permissions]
	Increased sharing of maternal HLA haplotypes among children exposed to diphenylhydantoin during pregnancy. S E Hodge, D C Van Dyke, A S Goldman, F Heide, R Hill, and C M Zmijewski J Med Genet 1988; 25: 698-702. doi:10.1136/jmg.25.10.698 [Abstract] [PDF] [Request Permissions]
	Mucosal neuromata syndrome (MEN type IIb (III)). J P Fryns and K Chrzanowska J Med Genet 1988; 25: 703-706. doi:10.1136/jmg.25.10.703 [PDF] [Request Permissions]
	Simultaneous trisomy 9q3 and monosomy 5p in two children with der(5),t(5;9)(p15.1;q34.13): report of an extended family. D Wellesley, I D Young, P Cooke, D F Callen, and A Hockey J Med Genet 1988; 25: 707-710. doi:10.1136/jmg.25.10.707 [Abstract] [PDF] [Request Permissions]
	A new recognisable syndrome in three sibs with congenital heart disease, round face with depressed nasal bridge, short stature, and developmental retardation. T Sonoda, S Ohdo, H Madokoro, and K Ohba J Med Genet 1988; 25: 711-713. doi:10.1136/jmg.25.10.711 [Abstract] [PDF] [Request Permissions]
	Arachnoid cysts in a brother and sister. W G Wilson, K A Deponte, J McIlhenny, and F E Dreifuss J Med Genet 1988; 25: 714-715. doi:10.1136/jmg.25.10.714 [Abstract] [PDF] [Request Permissions]
	Late replication studies and esterase D levels in a case of unbalanced X;autosome translocation, 46,X,t(X;13)(q27;q12). D R Romain, L M Columbano-Green, R G Parfitt, R H Smythe, N G MacKenzie, and C J Chapman J Med Genet 1988; 25: 716-718. doi:10.1136/jmg.25.10.716 [PDF] [Request Permissions]
	Is the expression of fra(2)(q13) age dependent? J P Fryns and H Van den Berghe J Med Genet 1988; 25: 718. doi:10.1136/jmg.25.10.718 [PDF] [Request Permissions]
	Simultaneous occurrence of heritable t(3;7) and t(14;21) in two sibs. A J Kruger, S Jansen, M P Marx, D J Coetzee, A E Cilliers, S Human, I Z Spies, and F Roux J Med Genet 1988; 25: 718-720. doi:10.1136/jmg.25.10.718-a [PDF] [Request Permissions]