title: [On the etiology of the epidemic of influenza of the spring of 1969 in the district of Cluj].
mesh_terms: D000293:Adolescent; D000328:Adult; D000906:Antibodies / Q000032:analysis; D002648:Child; D002675:Child, Preschool; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007223:Infant; D007251:Influenza, Human / Q000453:epidemiology*; D008875:Middle Aged; D009975:Orthomyxoviridae; D012383:Romania
chemical_list: D000906:Antibodies
vernacular_title: Consideraţii asupra etiologiei epidemiei de gripă din primăvara anului 1969 în judeţual Cluj.