APA

Viljoen G. J., Vermeulen N. M. & Neitz A. W. (19880607). Theoretical aspects of the enzyme-linked immunosorbent assay technique and its use in the detection of Cowdria ruminantium antigen and antibody in reacting animals. : The Onderstepoort journal of veterinary research.

Chicago

Viljoen G J, Vermeulen N M and Neitz A W. 19880607. Theoretical aspects of the enzyme-linked immunosorbent assay technique and its use in the detection of Cowdria ruminantium antigen and antibody in reacting animals. : The Onderstepoort journal of veterinary research.

Harvard

Viljoen G. J., Vermeulen N. M. and Neitz A. W. (19880607). Theoretical aspects of the enzyme-linked immunosorbent assay technique and its use in the detection of Cowdria ruminantium antigen and antibody in reacting animals. : The Onderstepoort journal of veterinary research.

MLA

Viljoen G J, Vermeulen N M and Neitz A W. Theoretical aspects of the enzyme-linked immunosorbent assay technique and its use in the detection of Cowdria ruminantium antigen and antibody in reacting animals. : The Onderstepoort journal of veterinary research. 19880607.