[Studies of serum thyroxine determination with Eiken's thyroxine kit].
D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011863:Radioimmunoassay / Q000379:methods*; D013959:Thyroid Diseases / Q000097:blood; D013974:Thyroxine / Q000097:blood*
D013974:Thyroxine