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１９９４年３月份全国甲乙类传染病疫情动态简介流研所流行病室，中国预防医学科学院通讯组１９９４年３月份全国甲乙类传染病疫情动态简介$流研所流行病室，中国预防医学科学院通讯组...
March 1994 National A and B epidemic dynamics Brief introduction Flow Institute epidemiology, Chinese Academy of Preventive Medicine Correspondence Group March 1994 A class B infectious disease epidemic profile Brief introduction Flow Institute epidemiology, Chinese Academy of Preventive Medicine communication group. ..