Determination of thyroid activity by quantitative microdensitometry using I131.
D007454:Iodides; D007455:Iodine / Q000378:metabolism*; D013960:Thyroid Function Tests; D013961:Thyroid Gland
D007454:Iodides; D007455:Iodine
IODINE/metabolism; THYROID GLAND/function tests