title: Surveillance of acute respiratory infections in three kindergartens in Beijing.
authors.forename: D L
authors.initials: DL
authors.lastname: Zeng
authors.forename: Z J
authors.initials: ZJ
authors.lastname: Zhang
authors.forename: Z L
authors.initials: ZL
authors.lastname: Wang
authors.forename: J N
authors.initials: JN
authors.lastname: Zhang
authors.forename: M L
authors.initials: ML
authors.lastname: Yang
mesh_terms: D001991:Bronchitis / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D002681:China; D015331:Cohort Studies; D003139:Common Cold / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007223:Infant; D007251:Influenza, Human / Q000453:epidemiology; D008297:Male; D011014:Pneumonia / Q000453:epidemiology*; D014777:Virus Diseases / Q000453:epidemiology