1. C.J. Proudman, N.P. French and A.J. Trees, Equine Veterinary Journal 1998; 30 (3): 194–199.
  2. E.T. Lyons, S.C. Tolliver, J.H. Drudge et al. Parasites in Kentucky Thoroughbreds at necropsy: Emphasis on stomach worms and tapeworms. American Journal of Veterinary Research 1993; 44: 839–844.
  3. Mercier P., Bousquet E., Sanquer A, et al. Time of re–appearance of fecal tapeworm eggs in horses treated with an ivermectin–praziquantel combination and left in their contaminated environment. World Association Adv. Vet Parasitol 21st International Conference. 19–23 August, 2007, Ghent, Belgium.
  4. C.R. Reinemeyer, A.W. Farley, S.A. Kania, B.W. Rohrbach and R.H. Dressler, 48th Annual Meeting of the American Association of Veterinary Parasitologists, Denver, CO, July 2003.