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APA Citation
Hamilton, W., Peters, T. J., & Sharp, D. (2009). authors' reply. BMJ, 339, . http://access.bl.uk/ark:/81055/vdc_100151254276.0x000014
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Hamilton, W., Peters, T. J., & Sharp, D. (2009). authors' reply. BMJ, 339, . http://access.bl.uk/ark:/81055/vdc_100151254276.0x000014