Roy O. Williams

发表

R. McBride, J. Harris, Roy O. Williams, 2007 .

A. Spickett, Roy O. Williams, I. H. Heyne, 2011, The Onderstepoort journal of veterinary research.

A. Estrada-Peña, I. Horak, G. Gallivan, 2018 .

A. Estrada-Peña, I. Horak, G. Gallivan, 2018 .

A. Estrada-Peña, I. Horak, G. Gallivan, 2018 .

A. Estrada-Peña, I. Horak, G. Gallivan, 2018 .

A. Estrada-Peña, I. Horak, G. Gallivan, 2018 .

A. Estrada-Peña, I. Horak, G. Gallivan, 2018 .

A. Estrada-Peña, I. Horak, G. Gallivan, 1959 .

D. D. du Plessis, W. van Wyngaardt, Roy O. Williams, 1993, Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc.

D. Wallace, C. Ellis, Vuyokazi E Mareledwane, 2014, The Onderstepoort journal of veterinary research.