Scherer, P. O.; Pile, E. A.; Serra-Freire, N. M. da; Schäffer, G. V. Puncture-Biopsy Technique for Histopatological Diagnostic in Ovine Fascioliasis. Braz. J. Vet. Res. Anim. Sci. 1999, 36 (4), 219-222. https://doi.org/10.1590/S1413-95961999000400009.