Urinary corticoid/creatinine ratios in the differentiation between pituitary‐dependent hyperadrenocorticism and hyperadrenocorticism due to adrenocortical tumour in the dog

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• Clinic for Small Animals, Veterinary Faculty, University of Ljubljana, Slovenia. Address for correspondence and requests of reprints: H.S. Kooistra, Department of Clinical Sciences o fCompanion Animals, Utrecht University, P.O. Box 80.154, 3508 TD Utrecht, the Netherlands.
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