引用本文: | 2009年2月中国甲乙丙类传染病疫情动态简介[J]. 疾病监测, 2009, 24(3): 160-160. DOI: 10.3784/j.issn.1003-9961.2009.03.002 |
Citation: | National Data of Class A, B and C Infectious Diseases in February 2009[J]. Disease Surveillance, 2009, 24(3): 160-160. DOI: 10.3784/j.issn.1003-9961.2009.03.002 |