title: [Incidence of paranasal sinusitis in children].
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D005005:Ethmoid Sinus; D005626:Frontal Sinus; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008443:Maxillary Sinus; D012852:Sinusitis / Q000175:diagnosis*
vernacular_title: O chastote paranazal'nykh sinuitov u deteĭ