Surveillance : the key to smallpox eradication / by D.A. Henderson
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引用
Henderson, Donald A, World Health Organization. Smallpox Eradication Unit & WHO Inter-regional Course on Methods of Epidemiological Surveillance (1968 : Prague, Czechoslovakia). (1968). Surveillance : the key to smallpox eradication / by D.A. Henderson. World Health Organization. https://iris.who.int/handle/10665/67970
描述
"Presented at the WHO Inter-regional Course on Methods of Epidemiological Surveillance, Prague, August 1968."WHO/SE/68.5
14 p.