Three routine methods for serum cortisol evaluated by comparison with an isotope dilution gas chromatography-mass spectrometry method.
D008401:Gas Chromatography-Mass Spectrometry; D006801:Humans; D006854:Hydrocortisone / Q000097:blood*; D007124:Immunoenzyme Techniques; D011863:Radioimmunoassay
D006854:Hydrocortisone