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Variation in recruitment across sites in a consent-based clinical data registry: lessons from the Canadian Stroke Network
registry Variation
2008/11/12
Background
In earlier work, we found important selection biases when we tried to obtain consent for participation in a national stroke registry. Recognizing that not all registries will be exempt fro...
International variation in ethics committee requirements: comparisons across five Westernised nations
International variation ethics committee requirements
2008/11/6
Background
Ethics committees typically apply the common principles of autonomy, nonmaleficence, beneficence and justice to research proposals but with variable weighting and interpretation. This pape...