to determine whether the activity of this enzyme differed in patients with nonthyroidal illness with low levels of circulating thyroid hormones and patients with documented clinical hypothyroidism , we measured na/k-atpase activity in red blood cells from patients with hypo- and hyperthyroidism , patients with nonthyroid disease with and without reduced circulating levels of thyroid hormone , and normal subjects .
C0020676
hypothyroidism
C0040132
thyroid