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13. [Incidence of A and B influenza viruses in acute respiratory diseases of 301 children hospitalized between January 1963 and September 1968. Serologic study]. Bertolini L, Midulla M, Assensio Biscogli AM, Balducci L. Riv Clin Pediatr; 1968 Oct 17; 81(5):984-92. PubMed ID: 5740226 [No Abstract] [Full Text] [Related]