引用本文: | 2017年4月中国甲乙丙类传染病疫情动态简介[J]. 疾病监测, 2017, 32(5): 357-357. DOI: 10.3784/j.issn.1003-9961.2017.05.001 |
Citation: | National data of class A, B and C communicable diseases in April 2017[J]. Disease Surveillance, 2017, 32(5): 357-357. DOI: 10.3784/j.issn.1003-9961.2017.05.001 |