Læknablaðið - 15.07.1996, Blaðsíða 37

LÆKNABLAÐIÐ 1996; 82
527
GD, Berry RJ. The changing epidemiology of neural
tube defects. Am J Dis Children 1992; 146: 857-61.
6. Chan A, Robertson EF, Haan EA, Keane RJ, Ranieri
E, Carney A. Prevaience of neural tube defects in South
Australia 1966-1991: effectiveness and impact of prena-
tal diagnosis. BMJ 1993; 307: 703-6.
7. Alembik Y, Dott B, Roth MP, Stoll C. Prevalence of
neural tube defects in northeastern France, 1979-92.
Impact of prenatal diagnosis. Annales de Genetique
1995; 38: 49-53.
8. NOMESKO. Births in the Nordic countries. Registra-
tion of the outcome of pregnancy 1979-1983. NOMES-
KO: Reykjavík, 1987: 25.
9. Pilu G, Sandri F, Perolo A. Pittalis MC, Grisolia G,
Cocchi G, et al. Sonography of fetai agenesis of the
corpus callosum: a survey of 35 cases. Uitrasound Ob-
stet Gynecol 1993; 3: 318-29
10. MRC Vitamin Study Research Group. Prevention of
neural tube defects: Results of the Medical Resarch
Council vitamin study. Lancet 1991; 338: 131-7.
11. Wild J, Seller MJ, Schorah CJ, Smithells RW. Investiga-
tion of folate intake and metabolism in women who have
had two pregnancies complicated by neural tube defects.
Br J Obstet Gynaecol 1994; 101: 197-202.
12. Radic A, Dolk H, de Wals P. Declining rate of neural
tube defects in three eastern countires of Ireland: 1979-
84. Ir Med J 1987; 80: 226-8.
13. Byrne J, Warburton D. Neural tube defectsin spontane-
ous abortions. Am J Med Genet 1986; 25: 327-33.
14. Jensson O, Arnason A, GunnarsdottirH, Petursdottir I,
Fossdal R, Hreidarson S. A family showing apparent X
linked inheritance of both anencephaly and spina bifida.
J Med Genet 1988; 25: 227-9.
15. Northern Regional Survey Steering Group. Fetal ab-
normality: an audit of its recognition and management.
Arch Dis Childhood 1992; 67: 770-4.
16. Hreiðarsson S, Jóhannsson JH, Kjeld M. Alfa-fetópró-
tín í sermi þungaðra kvenna og tengsi þess við litninga-
galla (þrístæðu 21) hjá fóstri. Læknablaðið 1993; 79:
135-10.