Kataoka, C., Tomiyama, H., Kashiwada, S., (2017). Journal of Fish Diseases 40(4), 479-484. Wiley, Oxford, UK. English language
Valgaeren, B., Pardon, B., Goossens, E., Verherstraeten, S., Schauvliege, S., Timbermont, L., Ducatelle, R., Deprez, P., Immerseel, F. van, (2013). Journal of Comparative Pathology 149(1), 103-112. Elsevier Ltd, Oxford, UK. English language
Koca, U., Süntar, I. P., Keles, H., Yesİlada, E., Akkol, E. K., (2009). Journal of Ethnopharmacology 126(3), 551-556. Elsevier, Amsterdam, Netherlands. English language
Friedrich, C., Ingolic, E., Freitag, B., Kastberger, G., Hohmann, V., Skofitsch, G., Neumeister, U., Kepka, O., (2000). Parasitology 121(5), 483-492. Cambridge University Press, Cambridge, UK. English language
Molnár, K., (2002). Acta Protozoologica 41(3), 279-283. Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warszawa, Poland. English language
Mansell, J. L, Tang, K. N., Baldwin, C. A., Styer, E. L., Liggett, A. D., (1995). Journal of Veterinary Diagnostic Investigation 7(3), 397-399. English language
Eaton, S. A., Allen, D., Eades, S. C., Schneider, D. A., (1995). American Journal of Veterinary Research 56(10), 1338-1344. English language
Ackermann, M. R., Cheville, N. F., (1991). Veterinary Pathology 28(3), 283-191. English language
Kelly, D. F., (1967). Research in Veterinary Science 8, 472-478. Sch. Vet. Med., Univ. Pennsylvania, Philadelphia, U.S.A., English language
Purchase, H. S., (1945). Veterinary Record 57, 413; 414. English language