Simultaneous presence of bovine papillomavirus and bovine leukemia virus in different bovine tissues: in situ hybridization and cytogenetic analysis - Yaguiu, Andréa; Dagli, Maria Lúcia Zaidan; Birgel Júnior, Eduardo Harry; Alves Reis, B. C. A; Ferraz, O. P; Pituco, Edviges Maristela; Freitas, A. C; Beçak, W; Stocco, R. C (Genetics and Molecular Research, 2008)