title: Determination of testosterone and delta 4-androstenedione by means of displacement analysis.
mesh_terms: D000731:Androstanes / Q000097:blood* / Q000302:isolation & purification; D002854:Chromatography, Paper; D006801:Humans; D008297:Male; D011485:Protein Binding; D013739:Testosterone / Q000097:blood* / Q000652:urine*; D014316:Tritium
chemical_list: D000731:Androstanes; D014316:Tritium; D013739:Testosterone