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Immunization of sheep, goats, cattle and pigs with brucella suis strain 2 vaccine
The characteristics of the vaccine strain
Translated from Chinese for the OICD, APHIS, USDA by Mrs. Geti Saad, Ag TT 84-4-1061.
Translated from: Collected papers on veterinary research, volume 4:33-38, 1978.
Includes bibliographical references (pages 22-23).