Y.  Saitoh and Itagaki, H., ?Dung beetles, Onthophagous spp., as potential transport hosts of feline coccidia?, Japanese Journal of Veterinary Science, vol. 52, pp. 293-297, 1989.

Y.  Saitoh and Itagaki, H., ?Dung beetles, Onthophagus spp., as potential transport hosts of feline coccidia?, Nippon Juigaku Zasshi, vol. 52, pp. 293-297, 1990.