引用本文: | 2007年7月份中国甲乙丙类传染病疫情动态简介[J]. 疾病监测, 2007, 22(8): 508-508. DOI: 10.3784/j.issn.1003-9961.2007.8.508 |
Citation: | National Data of Class A,B and C Infectious Diseases in July 2007[J]. Disease Surveillance, 2007, 22(8): 508-508. DOI: 10.3784/j.issn.1003-9961.2007.8.508 |