by Steffen, E.K, Wagner, J.E
Published in Laboratory animal science (Chicago) (1983)

by Franklin, C.L. (University of Missouri, Columbia, MO), Gibson, S.V, Caffrey, C.J, Wagner, J.E, Steffen, E.K
Published in Journal of the American Veterinary Medical Association (01.05.1991)

by Wagner, J.E. (University of Missouri, Columbia, MO), Besch-Williford, C.L, Steffen, E.K
Published in Lab animal (01.05.1991)

by Kendall, L.V, Steffen, E.K, Riley, L.K
Published in Contemporary topics in laboratory animal science (1999)

by Hine, E.A.S, Steffen, E.K, Wagner, J.E
Published in Journal of Clinical Microbiology (01.05.1988)

by R.D. VANNEST, E.K. STEFFEN, M.C. MEYER
Year of Publication 03.11.1977

by Bradfield, J.F. (University of Missouri, Columbia, MO), Schachtman, T.R, McLaughlin, R.M, Steffen, E.K
Published in Laboratory animal science (Chicago) (01.12.1992)

by Bradfield, J F, Wagner, J E, Boivin, G P, Steffen, E K, Russell, R J
Published in Laboratory animal science (Chicago) (01.02.1993)

by Ermeling, B.L. (University of Missouri, Columbia, MO), Steffen, E.K, Fish, R.E, Hook, R.R. Jr
Published in Laboratory animal science (Chicago) (01.08.1992)

by Matherne, C.M, Steffen, E.K, Wagner, J.E
Published in Laboratory animal science (Chicago) (01.04.1987)