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
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

National data of class A, B and C communicable diseases in April 2017

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