By Arthur DG   Thompson KG   Swarbrick P   in New Zealand Veterinary Journal

ISSN:1176-0710|40|3|112-116

Taylor & Francis Ltd‎(1992)‎

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By Gieseg M.A.   Swarbrick P.A.   Perko L.   Powell R.J.   Cutfield J.F.   in General and Comparative Endocrinology

ISSN:0016-6480|108|2|199-208

Elsevier‎(1997)‎

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