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Biberstein EL, Jang SS, Kass PH, Hirsh DC.Biberstein EL, et al. Among authors: kass ph.J Vet Diagn Invest. 1991 Oct;3(4):319-23. doi: 10.1177/104063879100300408.J Vet Diagn Invest. 1991.PMID: 1760464
Bertoy EH, Feldman EC, Nelson RW, Duesberg CA, Kass PH, Reid MH, Dublin AB.Bertoy EH, et al. Among authors: kass ph.J Am Vet Med Assoc. 1995 Mar 1;206(5):651-6.J Am Vet Med Assoc. 1995.PMID: 7744686
Hess RS, Kass PH, Ward CR.Hess RS, et al. Among authors: kass ph.J Am Vet Med Assoc. 1998 Jun 15;212(12):1889-91.J Am Vet Med Assoc. 1998.PMID: 9638187