to test the hypothesis that increased serum tg could be related to the low intrathyroidal iodine concentration [ i ] , the main cause of nontoxic goitre , these two variables were measured in 91 euthyroid goitrous patients and compared to serum free t3 and free t4 levels as well as thyroid weight .
C0221777
nontoxic goitre
C0040132
thyroid