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APA Citation
John, T. J., Pandian, R., Gadomski, A., Steinhoff, M., John, M., & Ray, M. (1983). control of poliomyelitis by pulse immunisation in Vellore, India.. BMJ, 286(6358), 31–32. http://access.bl.uk/ark:/81055/vdc_100144468675.0x000059