title: [Incidence of chronic rhino-sinusitis in primary school children--a result of otorhinological mass survey (author's transl)].
mesh_terms: D002648:Child; D002908:Chronic Disease; D006801:Humans; D007564:Japan; D012220:Rhinitis / Q000453:epidemiology*; D012852:Sinusitis / Q000453:epidemiology*