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APA Citation
Gross, R. J., Threlfall, E. J., Ward, L. R., & Rowe, B. (1984). drug resistance in Shigella dysenteriae, S flexneri and S boydii in England and Wales: increasing incidence of resistance to trimethoprim.. BMJ, 288(6419), 784–786. http://access.bl.uk/ark:/81055/vdc_100143553929.0x00001e