Validity of breast cancer in the Danish Cancer Registry. A study based on clinical records from one county in Denmark.


Cancer registries are essential in order to monitor the incidence of cancer and, with proper follow-up, survival in a population. However, the usefulness of the registry depends upon the data quality. To validate the Danish Cancer Registry concerning breast cancer in female residents of Aarhus county 1983-1989, registry records were compared with clinical… (More)


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