Histopathologic patterns of pancreatic lesions induced by Eurytrema coelomaticum in cattle from the central-west region of the State of Paraná, Southern Brazil - Headley, Selwyn Arlington; Saut, João Paulo Elsen; Bassani, Clóvis A; Sangioni, Luis Antonio; Birgel Júnior, Eduardo Harry; Yamamura, Milton H (Brazilian Journal of Veterinary Pathology, 2009)