title: Picric acid staining of serum paraproteins.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000097:blood; D001797:Blood Protein Electrophoresis; D006801:Humans; D066298:In Vitro Techniques; D008107:Liver Diseases / Q000097:blood; D008180:Lupus Erythematosus, Systemic / Q000097:blood; D009101:Multiple Myeloma / Q000097:blood; D010851:Picrates; D012712:Serum Globulins; D013194:Staining and Labeling; D008258:Waldenstrom Macroglobulinemia
chemical_list: D010851:Picrates; D012712:Serum Globulins