Kantrowitz LB, Peterson, ME, Melián C, Nichols R: Serum total thyroxine, total triiodothyronine, free thyroxine, and thyrotropin concentrations in dogs with
nonthyroidal disease.
Peterson ME, Gamble, DA: Effect of
nonthyroidal disease on serum thyroxine concentrations in cats: 494 cases (1988).
Peterson ME, Melián C, Nichols CE: Measurement of serum concentrations of free thyroxine, total thyroxine, and total triiodothyronine in cats with hyperthyroidism and cats with
nonthyroidal disease.
Peterson ME, Melián C, Nichols CE: Measurement of serum concentrations of total and free T4 in hyperthyroid cats and cats with
nonthyroidal disease.