title: Improved extraction of aldosterone from plasma and urine before radioimmunoassay.
mesh_terms: D000450:Aldosterone / Q000097:blood / Q000302:isolation & purification* / Q000652:urine; D002482:Cellulose; D008722:Methods; D011126:Polypropylenes; D011863:Radioimmunoassay
chemical_list: D011126:Polypropylenes; D000450:Aldosterone; D002482:Cellulose