title: [Research on the influenza epidemic caused by virus A 2 -Hong Kong-68 in the winter of 1969-1970].
mesh_terms: D000906:Antibodies / Q000032:analysis; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology* / Q000276:immunology; D007558:Italy; D009975:Orthomyxoviridae / Q000276:immunology / Q000302:isolation & purification; D012621:Seasons
chemical_list: D000906:Antibodies
vernacular_title: Ricerche sull'epidemia di influenza da virus A 2 -Hong Kong-68 dell'inverno 1969-1970.