Thyroxine in unextracted urine.

  title={Thyroxine in unextracted urine.},
  author={I Orden and Jordi Pie and M G Juste and J A Marsella and Claudine Blasco},
  journal={Acta endocrinologica},
  volume={114 4},
The aim of this work was to estimate the daily urinary excretion of free and conjugated thyroxine using a direct radioimmunoassay and enzyme hydrolysis. The renal clearance of free T4 was also determined. The mean urinary values of free and total T4 (mean +/- 1 SD) in 112 euthyroid controls were 1353 +/- 496 and 1855 +/- 651 pmol/24 h, respectively. Urinary… CONTINUE READING