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APA Citation
Simcock, P. R., Noble, J. L., Tullo, A. B., Morris, D. J., Morgan-Capner, P., Dugmore, W. N., & Dabir, Z. M. (1993). cowpox virus. British journal of ophthalmology, 77(6), 394–395. http://access.bl.uk/ark:/81055/vdc_100137792357.0x000049