Authors: van Dijk, CJ Lourens, DC

Citation: Cj. Van Dijk et Dc. Lourens, Effects of anionic salts in a pre-partum dairy ration on calcium metabolism, J SA VET AS, 72(2), 2001, pp. 76-80

Authors: Ferreira, GM Lourens, DC van Vuuren, M

Citation: Gm. Ferreira et al., The prevalence of bovine viral diarrhoea antibodies in selected South African dairy herds, and control of the disease, J SA VET AS, 71(1), 2000, pp. 10-13