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APA Citation
McAllister, K., Hickey, G., Grant, S., Bridgewater, B., & Buchan, I. (n.d.). oP71 Discriminating Clinical Outcome Models May Drift Unacceptably: Example of Cardiac Surgery Mortality. Journal of epidemiology and community health, 66, A27–A28. http://access.bl.uk/ark:/81055/vdc_100135543743.0x00003c