William Arthur Burr has written:

'Clinical significance of thyroxine - binding globulin'

Estrogens, anabolic steroids, phenytoin, and thyroid medications may be discontinued prior to a thyroxine-binding globulin (TBG) test.

testosterone-binding globulin

Vratislav Schreiber has written:

'Adenohypophysial growth and thyroxine binding' -- subject(s): Adenohypophysis, Growth, Physiological effect, Physiology, Protein binding, Rats, Steroid hormones, Thyroxine

A needle is inserted into a vein, usually in the forearm, and a small amount of blood is collected and sent to a laboratory for testing. The patient will usually feel minor discomfort from the "stick" of the needle.