Pratelli A, Tempesta M, Roperto F P, Sagazio P, Carmichael L, Buonavoglia C
Department of Health and Animal Welfare, Faculty of Veterinary Medicine, University of Bari, Strada Provinciale per Casamassina km 3, 70010 Valenzano, Bari, Italy.
J Vet Diagn Invest. 1999 Nov;11(6):550-3. doi: 10.1177/104063879901100615.