title: [Etiology of acute otitis and antritis in children].
mesh_terms: D000208:Acute Disease; D000367:Age Factors; D001424:Bacterial Infections / Q000150:complications; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D008439:Maxillary Diseases / Q000209:etiology; D008443:Maxillary Sinus; D010031:Otitis / Q000209:etiology*; D012852:Sinusitis / Q000209:etiology*
vernacular_title: K voprosu ob etiologii ostrykh otitov i antritov u deteĭ.