L. Helper

发表

J. Brogdon, S. A. Mclaughlin, A. Brightman, 1990 .
L. Helper, R. Johnson, W. G. Magrane, 1974, Journal of the American Veterinary Medical Association.
D. Baker, L. Helper, J. Corbin, 1979, Journal of animal science.
S. A. Mclaughlin, A. Brightman, L. Helper, 1988, Journal of the American Veterinary Medical Association.
L. Helper, B. Johnson, M. E. Szajerski, 1988, Journal of the American Veterinary Medical Association.
J. Render, J. Shadduck, H. Whiteley, 1987, Journal of the American Veterinary Medical Association.
H. Whiteley, L. Helper, H. Hogenesch, 1987, Veterinary pathology.
L. Helper, J. Simon, 1970, Journal of the American Veterinary Medical Association.
L. Helper, T. Fritz, H. E. Rhoades, 1960 .
S. A. Mclaughlin, A. Brightman, L. Helper, 1983, Journal of the American Veterinary Medical Association.
J. Brogdon, L. Helper, N. Everds, 1984 .
W. E. Hoffman, A. Brightman, L. Helper, 1981, Journal of the American Veterinary Medical Association.
P. Gerding, S. A. Mclaughlin, A. Brightman, 1989, American journal of veterinary research.
J. Brogdon, S. A. Mclaughlin, A. Brightman, 1989, Journal of the American Veterinary Medical Association.
L. Helper, 1970, Journal of the American Veterinary Medical Association.
L. Helper, K. Todd, A. H. Brightman, 1977, Veterinary medicine, small animal clinician : VM, SAC.
L. Helper, E. Small, A. Schiller, 1964, Journal of the American Veterinary Medical Association.
L. Helper, M. Mansfield, A. Killinger, 1973, Journal of the American Veterinary Medical Association.
L. Helper, J. Lowery, W. A. Vestre, 1979, Journal of the American Veterinary Medical Association.
L. Helper, W. G. Magrane, 1970, The Journal of small animal practice.
J. Brogdon, S. A. Mclaughlin, L. Helper, 1989, American journal of veterinary research.
L. Helper, A. Schiller, 1963, Journal of the American Veterinary Medical Association.
L. Helper, S. R. Roberts, 1972, Journal of the American Veterinary Medical Association.