The prevalence of antibodies to Toxoplasma gondii in sheep in the Western Cape, South Africa

by Hammond-Aryee,Kenneth, van Helden,Lesley S., van Helden,Paul D.
Published 2015

Paratuberculosis in a domestic dog in South Africa

by Miller,Michele A., Davey,Sewellyn C., van Helden,Lesley S., Kettner,Frank, Weltan,Sandy M., Last,Rick, Grewar,John D., Botha,Louise, van Helden,Paul D.
Published 2017