By Laws AJ   Frisken KW   Orr MB   in New Zealand Veterinary Journal

ISSN:1176-0710|36|1|32-34

Taylor & Francis Ltd‎(1988)‎

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By Orr MB   Laws AJ   Frisken KW   in New Zealand Veterinary Journal

ISSN:1176-0710|35|1-2|14-15

Taylor & Francis Ltd‎(1987)‎

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By Morris PL   Whitley BD   Orr MB   Laws AJ   in New Zealand Veterinary Journal

ISSN:1176-0710|33|6|87-90

Taylor & Francis Ltd‎(1985)‎

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By Morris PL   Whitley BD   Orr MB   Laws AJ   in New Zealand Veterinary Journal

ISSN:1176-0710|33|8|131-131

Taylor & Francis Ltd‎(1985)‎

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