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The Onderstepoort Journal of Veterinary Research|December 1, 1981
The relationship between the minimal and the 50% haemolytic dose in complement titrationsS Herr, P M Pieterson, J A BoshoffThe Onderstepoort Journal of Veterinary Research|June 1, 1982
The reproducibility of results in bovine brucellosis serology and their correlation with the isolation of Brucella abortusS Herr, D Roux, P M PietersonThe Onderstepoort Journal of Veterinary Research|December 1, 1987
The use of meso-erythritol sensitivity discs in the typing of Brucella strainsP M Pieterson, L A te Brugge, S HerrThe Onderstepoort Journal of Veterinary Research|March 1, 1988
The characteristics of a variant strain of Brucella melitensis Rev 1P M Pieterson, B Gummow, S Pefanis, et al.The Onderstepoort Journal of Veterinary Research|September 1, 1988
The isolation and serology of the "FSA" Brucella melitensis Rev. 1 mutant in a flock of sheepS M Pefanis, B Gummow, P M Pieterson, et al.Journal of the South African Veterinary Association|December 1, 1986
Brucellosis serology: reduced dose S19 vaccination of yearling heifers versus the use of the standard dose at 5-7 months of age in a clean herdS Herr, P P Bosman, W J Ehret, et al.The Onderstepoort Journal of Veterinary Research|March 1, 1991
The antibiotic sensitivity patterns of Bacillus anthracis isolated from the Kruger National ParkM W Odendaal, P M Pieterson, V de Vos, et al.The Onderstepoort Journal of Veterinary Research|March 1, 1991
The biochemical, morphological and virulence profiles of Bacillus anthracis isolated in the Kruger National ParkM W Odendaal, P M Pieterson, V de Vos, et al.The Milbank Quarterly|January 1, 1989
Disabled clients, constituencies, and counsel: representing persons with developmental disabilitiesS S HerrJournal of the South African Veterinary Association|December 1, 1980
The isolation of Brucella abortus biotype I from serologically positive reactors following on S19 adult inoculation of dairy cowsS Herr, D RouxPageof 6