title: Register studies and clinical studies in the evaluation of antenatal care.
abstract: The advantages and limitations of national registers containing individual identification numbers in clinical epidemiological research are reviewed. The author concludes that such registers are very valuable for epidemiological research and for formulation of research questions of public health importance.
authors.forename: O
authors.initials: O
authors.lastname: Meirik
mesh_terms: D003627:Data Interpretation, Statistical; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D011295:Prenatal Care / Q000592:standards* / Q000706:statistics & numerical data; D015397:Program Evaluation; D012042:Registries; D013548:Sweden