[State of the upper respiratory tract and age characteristics in the development of accessory nasal sinuses in young children].
D000375:Aging; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D010256:Paranasal Sinuses / Q000000981:diagnostic imaging / Q000254:growth & development*; D011859:Radiography; D012141:Respiratory Tract Infections / Q000000981:diagnostic imaging
Sostoianie verkhnikh dykhatel'nykh puteĭ i vozrastnye osobennosti razvitiia pridatochnykh pazukh nosa u deteĭ rannego vozrasta.