1. Acquired immune dysfunction in cats with experimentally induced feline immunodeficiency virus infection: Comparison of short-term and long-term infections;Barlough;J. Acquir. Immune. Defic. Syndr.,1991
2. Neck Lesion bei Grosskatzen; Untersuchungen beim Leoparden (Panthera pardus);Berger;Kleintierpraxis,1995
3. Berger, M., Schawalder, P., Stich, H., Lussi, A., 1996a. Feline dental resorptive lesions in captive and wild leopards and lions. J. Vet. Dent. 13, 13–21
4. Berger, M., Schawalder, P., Stich, H., Lussi, A., 1996b. Differentialdiagnose von resorptiven Zahnerkrankungen (FORL) und Karies. Schweiz. Arch. Tierheilkd. 138, 546–551
5. Serological diagnosis of feline immundeficiency virus infection using recombinant transmembrane glycoprotein;Calzolari;Vet. Immunol. Immunopathol.,1995