… are preferred but have until now been carried out in the old twin registries in … twin studies
into disease aetiology we have established a new population based register of young Danish …

… data sources that are accessible to individual registries [20]. Of the 31 EUROCAT full member
registries, 23 provided data for this study (… can access (eg, if only surgical data are available…

… Registry and approved the enquiry of this study. … First, available literature mostly predates
genetic testing, whereas the patients we included from registries were only those with genetic …

… -quality epidemiologic research based on existing registers. … and linkable register data
sources used in studies related to … one of the automatic registers of the Danish National Board of …

… Two had moved abroad, the dates of their last registration alive in Denmark were … blood
test is available. The diagnostic criteria were a tool used at clinical examination in order to …

… of secondary data sources. Citation7 … This study evaluated registry information in 2952
Danish children with congenital cardiac malformations. Overall, we report PPV of registration 98% …

… serves as an existing large, population-based source for cases … this study in Denmark
ensuring proper language were used for equal terms. Abstraction of the children’s medical records …

… excluded from the study. All death certificates and the Danish Cause of Death Register were
… cases, and systematic genetic information was thus not available for this study population. …

… Hereditary diseases can be studied epidemiologically in two kinds … in the clinic records were
included in the present study. … this disorder in Rochester encompass the rates for Denmark …

… all medical records in one health care district, the prevalence … data source was regis ters.
Underdiagnosis of motor neuron … preva lence of motor neuron disease in two Danish counties. …