1. The The Hong Kong/68 influenza A2 variant;Coleman;Lancet,1968
2. Further observations on the significance of A/Equine—2/63 antibodies in man;Davenport;J. Exp. Med.,1967
3. Disquisitions on original antigenic sin. 1. Evidence in man;Fazekas de St. Groth;J. Exp. Med.,1966
4. Relationships between animal and human influenza;Kaplan;Bull. World Health Organ.,1969
5. Antigenic relationship between the equine and the Hong Kong human variant of influenza type A2 virus;Kasel;J. Immunol.,1969