Graves T K, Peterson M E
Department of Small Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing.
Vet Clin North Am Small Anim Pract. 1994 May;24(3):567-76. doi: 10.1016/s0195-5616(94)50059-7.
Until recently, the diagnosis of hyperthyroidism in cats was thought to be simple; however, not all cases of the disease are straightforward. Although single resting serum thyroid-hormone determinations may well be adequate to confirm the diagnosis, in many cases, the diagnosis of feline hyperthyroidism requires more extensive investigation.