1. Disorders of the parathyroid glands;Feldman,1995
2. Sonography of the thyroid and parathyroid;Gooding;Radiol Clin North Am,1993
3. The endocrine system;Hullinger,1979
4. Hyperthyroid diseases;Peterson,1995
5. Radionuclide thyroid imaging in 135 cats with hyperthyroidism;Peterson;Vet Radiol,1984