Anencephalus in Belfast and Dublin.
D000328:Adult; D000757:Anencephaly / Q000453:epidemiology* / Q000209:etiology; D001724:Birth Weight; D004777:Environment; D005260:Female; D005313:Fetal Death / Q000453:epidemiology; D005865:Gestational Age; D006801:Humans; D007494:Ireland; D008297:Male; D010298:Parity; D011247:Pregnancy; D044469:Racial Groups; D012189:Retrospective Studies; D012737:Sex Factors