1. Duration of immunity produced in goats by the Rev. 1 Brucella melitensis vaccine;Alton;J. Comp. Path.,1966
2. Brucella melitensis Rev. 1 and Brucella abortus 45/20 vaccines in goats: Immunity;Alton;Am. J. Vet. Res.,1972
3. Comparación de la efectividad de dos vacunas atenuadas contra la brucelosis caprina;Baer;Técnica Pecuaria en México,1971
4. International Standard for Anti-Brucella abortus serum. Comparison of the complement-fixing activity of the first and second International Standards and the EEL Standard;Davidson;Bull. Wld. Hlth. Org.,1978
5. The effect of living Rev. 1 vaccine in producing long-term immunity against Brucella melitensis infection in sheep in Iran;Entessar;J. Comp. Path.,1967