title: [The etiology of sporadic respiratory infections in young children].
mesh_terms: D002675:Child, Preschool; D006801:Humans; D007223:Infant; D011014:Pneumonia / Q000382:microbiology*; D012136:Respiratory Syncytial Viruses / Q000302:isolation & purification*; D018108:Respirovirus / Q000302:isolation & purification*; D012698:Serologic Tests
vernacular_title: Ob étiologii sporadicheskikh respiratornykh zabolevaniĭ u deteĭ rannego vozrasta.