Tracing of the source of infection / by Ishar Singh
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Citation
Singh, Ishar, World Health Organization & WHO Inter-Country Seminar on Surveillance in Smallpox Eradication (1972 : New Delhi, India). (1972). Tracing of the source of infection / by Ishar Singh. World Health Organization. https://iris.who.int/handle/10665/68104
Description
"World Health Organization Inter-Country Seminar on Surveillance in Smallpox Eradication, New Delhi, 30 October-2 November 1972."SE/WP/72.5
10 p.