Association of the risk of development of hypothyroidism after iodine 131 treatment with the pretreatment pattern of sodium pertechnetate Tc 99 M uptake in the thyroid gland in cats with hyperthyroidism: 165 cases (1990–2002) - Nykamp, S G; Dykes, N L; Zarfoss, M K (J Am Vet Med Assoc, 2005)