D. Gradwell

The isolation of Brucella abortus biotype I from African buffalo in the Kruger National Park.

D. Roux, C. V. van Niekerk, D. Gradwell, 1977, Journal of the South African Veterinary Association.

THE RESPONSE OF SOME AFRICAN WILDLIFE SPECIES TO FOOT-AND-MOUTH DISEASE VACCINATION

R. Hedger, J. Condy, D. Gradwell, 1980, Journal of wildlife diseases.

Effectivity of Rev 1 vaccine in rams against brucella ovis infection.

D. Gradwell, F. van Zyl, 1975, Journal of the South African Veterinary Association.

Effect of age on response of cattle to vaccination against foot-and-mouth disease.

M. J. Nicholls, M. Rweyemamu, L. Black, 1985, The British veterinary journal.

Attempted artificaial infection or impala, blue wildebeest, buffalo, kudu, giraffe and warthog with heartwater.

D. Joubert, C. V. van Niekerk, D. Gradwell, 1976, Journal of the South African Veterinary Association.