title: [Age differences in the incidence of A2/Hong Kong influenza in patients belonging to different blood groups].
mesh_terms: D000017:ABO Blood-Group System; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007251:Influenza, Human / Q000453:epidemiology*; D008875:Middle Aged; D014586:USSR
chemical_list: D000017:ABO Blood-Group System
vernacular_title: Vozrastnye razlichiia zabolevaemosti grippom A2/Gonkong lits s neodinakovoĭ gruppovoĭ prinadlezhnost'iu krovi