title: Separation of free and bound steroid in the competitive protein binding assay for testosterone: accuracy and reproducibility.
mesh_terms: D000645:Ammonium Sulfate; D002606:Charcoal; D011232:Chemical Precipitation; D002850:Chromatography, Gel; D002855:Chromatography, Thin Layer; D003276:Contraceptives, Oral; D003911:Dextrans; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008274:Magnesium; D008722:Methods; D008832:Microchemistry; D011485:Protein Binding; D012712:Serum Globulins; D012822:Silicon Dioxide; D013739:Testosterone / Q000097:blood* / Q000302:isolation & purification; D014316:Tritium
chemical_list: D003276:Contraceptives, Oral; D003911:Dextrans; D012712:Serum Globulins; D014316:Tritium; D002606:Charcoal; D013739:Testosterone; D012822:Silicon Dioxide; D008274:Magnesium; D000645:Ammonium Sulfate