by Crowson, C.L, Jann, H.W, Stein, L.E, Claypool, L.P, Moll, H.D, Blaik, M.A
Published in American journal of veterinary research (01.03.2004)

by Crowson, C.L. (Oklahoma State University, Stillwater, OK.), Jann, H.W, Panciera, R.J, Starost, M, Spradley, W, Klotz, M
Published in Equine practice (01.07.1998)