Buenviaje G N, Ladds P W, Hirst R G, Summers P M, Millan J M
Australian Institute of Tropical Veterinary and Animal Science, James Cook University of North Queensland, Townsville.
Aust Vet J. 1998 Jul;76(7):495-6. doi: 10.1111/j.1751-0813.1998.tb10192.x.