by Wesley, R.D, Woods, R.D, McKean, J.D, Senn, M.K, Elazhary, Y
Published in Canadian journal of veterinary research (01.10.1997)

by Holck, J.T. (Boehringer Ingelheim/NOBL Laboratories, Inc., Amers, IA.), Schinckel, A.P, Coleman, J.L, Wilt, V.M, Senn, M.K, Thacker, B.J, Thacker, E.L, Grant, A.L
Published in Swine health and production (01.07.1998)