title: A new radioimmunoassay of serum ferritin: use of 125I-labeled human spleen antigen and a solid phase second antibody.
mesh_terms: D000328:Adult; D000818:Animals; D000906:Antibodies / Q000032:analysis / Q000276:immunology; D002850:Chromatography, Gel; D005260:Female; D005293:Ferritins / Q000097:blood* / Q000276:immunology; D006801:Humans; D007457:Iodine Radioisotopes; D008297:Male; D008875:Middle Aged; D011817:Rabbits; D011863:Radioimmunoassay / Q000379:methods*; D013154:Spleen / Q000276:immunology*
chemical_list: D000906:Antibodies; D007457:Iodine Radioisotopes; D005293:Ferritins