[Etiologic structure of acute respiratory diseases in young children in the polar region].
D000367:Age Factors; D001110:Arctic Regions; D002675:Child, Preschool; D003081:Cold Climate; D006801:Humans; D012141:Respiratory Tract Infections / Q000209:etiology*; D014586:USSR
Etiologicheskaia struktura ostrykh respiratornykh zabolevaniĭ u deteĭ rannego vozrasta v Zapoliar'e.