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APA Citation
Walter, F. M., Morris, H. C., Humphrys, E., Hall, P. N., Prevost, A. T., Burrows, N., Bradshaw, L., Wilson, E. C. F., Norris, P., Walls, J., Johnson, M., Kinmonth, A. L., & Emery, J. D. (2012). effect of adding a diagnostic aid to best practice to manage suspicious pigmented lesions in primary care: randomised controlled trial. BMJ, 345, . http://access.bl.uk/ark:/81055/vdc_100148628575.0x000045