by Taylor, J.D., Holland, B.P., Step, D.L., Payton, M.E., Confer, A.W.
Published in Research in veterinary science (01.04.2015)

by Simpson, Katharine M, Streeter, Robert N, Taylor, Jared D, Gull, Tamara B, Step, Douglas L
Published in Journal of the American Veterinary Medical Association (01.09.2014)

by Confer, AW, Ayalew, S, Montelongo, M, Step, DL, Wray, JH, Hansen, RD, Panciera, RJ
Published in Vaccine (10.03.2009)

by Confer, A. W, Fulton, R. W, Step, D. L, Johnson, B. J, Ridpath, J. F
Published in Veterinary pathology (01.03.2005)

by Fulton, R.W, Briggs, R.E, Ridpath, J.F, Saliki, J.T, Confer, A.W, Payton, M.E, Duff, G.C, Step, D.L, Walker, D.A
Published in Canadian journal of veterinary research (01.07.2005)

by Fulton, Robert W., Step, Douglas L., Ridpath, Julia F., Saliki, Jeremiah T., Confer, Anthony W., Johnson, Bill J., Briggs, Robert E., Hawley, R.V., Burge, Lurinda J., Payton, Mark E.
Published in Vaccine (20.06.2003)

by Fulton, R.W, Cook, B.J, Step, D.L, Confer, A.W, Saliki, J.T, Payton, M.E, Burge, L.J, Welsh, R.D, Blood, K.S
Published in Canadian journal of veterinary research (01.07.2002)

by Fulton, Robert W, Johnson, Bill J, Briggs, Robert E, Ridpath, Julia F, Saliki, Jeremiah T, Confer, Anthony W, Burge, Lurinda J, Step, Douglas L, Walker, Derek A, Payton, Mark E
Published in Canadian journal of veterinary research (01.04.2006)

by Wilson, B.K., Step, D.L., Maxwell, C.L., Gifford, C.A., Richards, C.J., Krehbiel, C.R.
Published in The Professional animal scientist (01.02.2017)

by Boileau, Melanie J., Streeter, Robert N., Step, Douglas L., Washburn, Kevin E.
Published in Journal of veterinary internal medicine (01.11.2003)

by Step, Douglas L, Ritchey, Jerry W, Drost, William Tod, Bahr, Robert J
Published in Canadian veterinary journal (01.10.2003)

by Step, D L, Cummings, C A, Streeter, R N, Kirkpatrick, J G, Campbell, G A
Published in Journal of veterinary diagnostic investigation (01.03.2001)

by Step, D L, Streeter, R N, Confer, A W, Kirkpatrick, J G, Sundberg, J P, Arnold, C S, Bartels, K E
Published in Canadian veterinary journal (01.10.2000)

by Freeman, Kathy P., Step, D.L., Gleed, Robin, Hackett, Richard
Published in Journal of equine veterinary science (01.09.1996)

by Step, D.L. (Pitman-Moore Inc., Mundelein, IL), Cummings, J.F, De Lahunta, A, Valentine, B.A, Summers, B.A, Rowland, P.H, Mohammed, H.O, Eckerlin, R.H, Rebhun, W.C
Published in Journal of the American Veterinary Medical Association (01.01.1993)

by Step, D.L. (Cornell University, Ithaca, NY.), Divers, T.J, Cooper, B, Kallfelz, F.A, Karcher, L.F, Rebhun, W.C
Published in Journal of the American Veterinary Medical Association (01.01.1991)

by Callan, R.J. (University of Wisconsin, Madison, WI), McGuirk, S.M, Step, D.L
Published in The Veterinary clinics of North America. Food animal practice (01.07.1992)

by Weldon, A.D, Step, D.L, Moise, N.S
Published in Veterinary medicine (1985) (01.06.1992)

by Step, D.L, McGuirk, S.M, Callan, R.J
Published in The Veterinary clinics of North America. Food animal practice (01.07.1992)

by Step, D.L. (Cornell University, Ithaca, NY), Blue, J.T, Dill, S.G
Published in Cornell veterinarian (USA) (01.01.1991)