title: Determination of "free" testosterone in plasma by GLC-63Ni ECD.
mesh_terms: D002855:Chromatography, Thin Layer / Q000379:methods*; D002986:Clinical Trials as Topic; D004583:Electrons; D005782:Gels; D006801:Humans; D008722:Methods; D009532:Nickel; D011868:Radioisotopes; D012588:Scintillation Counting; D012822:Silicon Dioxide; D013739:Testosterone / Q000097:blood*
chemical_list: D005782:Gels; D011868:Radioisotopes; D013739:Testosterone; D012822:Silicon Dioxide; D009532:Nickel