Evaluation of the Cortisol-to- ACTH Ratio in Dogs with Hypoadrenocorticism, Dogs with Diseases Mimicking Hypoadrenocorticism and in Healthy Dogs. - Boretti, F.S.; Meyer, F.; Burkhardt, W.A.; Riond, B.; Hofmann ‐ Lehmann, R.; Reusch, C.E.; Sieber ‐ Ruckstuhl, N.S. (Journal of Veterinary Internal Medicine, 2015)