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The Onderstepoort Journal of Veterinary Research|September 1, 1987
Heartwater. The development and life cycle of Cowdria ruminantium in the vertebrate host, ticks and cultured endothelial cellsL Prozesky, J L Du Plessis
The Onderstepoort Journal of Veterinary Research|March 1, 1985
Heartwater in Angora goats. II. A pathological study of artificially infected, treated and untreated goatsL Prozesky, J L Du Plessis
The Onderstepoort Journal of Veterinary Research|September 1, 1987
The application of the indirect fluorescent antibody test in research on heartwaterJ L Du Plessis, L Malan
The Onderstepoort Journal of Veterinary Research|September 1, 1987
The block method of vaccination against heartwaterJ L Du Plessis, L Malan
Journal of the South African Veterinary Association|December 1, 1979
Investigations on the natural and acquired resistance of cattle to artificial infection with Cowdria ruminantiumJ L du Plessis, J D Bezuidenhout
The Onderstepoort Journal of Veterinary Research|September 1, 1989
Immunity of tick-exposed seronegative and seropositive small stock challenged with two stocks of Cowdria ruminantiumJ L Du Plessis, L Van Gas
Journal of the South African Veterinary Association|September 1, 1980
Enteritis in sheep due to the ingestion of Inula graveolens Desf (Cape Khakiweed)D J Schneider, J L du Plessis
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