title: [Questions on establishing the case definition against the emergent events of public health].
authors.forename: Gui-ying
authors.initials: GY
authors.lastname: Ying
authors.forename: Rong-sheng
authors.initials: RS
authors.lastname: Luan
mesh_terms: D004812:Epidemiologic Methods; D006801:Humans; D011159:Population Surveillance; D011634:Public Health