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The Centre for Health Record Linkage (CHeReL) was established in 2006 to support health and health services research in New South Wales (NSW) and the Australian Capital Territory (ACT). It is the second dedicated health record linkage unit to be established in Australia. The CHeReL carries out record linkage using best practice privacy preserving procedures (Kelman, Bass & Holman 2002). All record linkage projects must have the approval of a Human Research Ethics Committee and the owners of the relevant databases. To facilitate access to linked health data, the CHeReL is creating a Master Linkage Key to link records for individuals across in a number of health-related datasets including hospital inpatient data, cancer registry data, and birth and death registration data.
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Lawrence et al. (2008) studied this question.
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