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3. Bovine adenoviruses. I. Characterization and serological classification as types 4 of two isolates from latently infected calf testicles;Bürki;Zentbl. Vet Med.,1978
4. Bovine adenoviruses III. Subclassification into 2 subgroups by means of immunodiffusion-test;Bürki;Microbiologica,1979
5. Adenoidal-Pharyngeal-Conjunctival Agents