the 0.9 % -sodium chloride-soluble proteins of [ ( 131 ) i ] -iodide-labelled thyroid glands were fractionated with ammonium sulphate : 68.7+/-4.0 % of the total radioactivity appeared in the 35-45 % -saturation precipitate from normal gland extracts , but less than 20 % of the total radioactivity was in in this fraction from goitre extracts .
C0040132
thyroid glands
C0018021
goitre