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- [6] VIRUS-NEUTRALIZING ANTIBODY RESPONSE OF DUCKS TO IMMUNIZATION WITH VIRULENT OR ATTENUATED HEPATITIS VIRUS ACTA VETERINARIA ACADEMIAE SCIENTIARUM HUNGARICAE, 1965, 15 (02): : 205 - +
- [8] SECRETION OF VIRUS-NEUTRALIZING ANTIBODIES ARCHIV FUR DIE GESAMTE VIRUSFORSCHUNG, 1967, 21 (02): : 178 - +