title: [Etiology of infections due to respiratory virus in hospitalized children in Barcelona during 1969-1974].
mesh_terms: D000208:Acute Disease; D002648:Child; D003428:Cross Infection / Q000382:microbiology; D005260:Female; D006760:Hospitalization; D006801:Humans; D008297:Male; D009975:Orthomyxoviridae / Q000302:isolation & purification*; D010252:Paramyxoviridae / Q000302:isolation & purification*; D012141:Respiratory Tract Infections / Q000382:microbiology*; D013030:Spain
vernacular_title: Etiología de las infecciones por virus respiratorios en niños hospitalizados en Barcelona durante el período 1969-1974