by Clare, A.C, Kraje, B.J
Published in Journal of the American Veterinary Medical Association (15.02.1998)

by Kraje, B.J, Kraje, A.C, Rohrbach, R.W, Anderson, K.A, Marks, S.L, Macintire, D.K
Published in Journal of the American Veterinary Medical Association (2000)

by Klein, B G, Duffin, J R, Kraje, B
Published in Behavioural brain research (31.01.1994)