TY - RPRT TI - Candidate reference method for determining serum cortisol based on isotope dilution-gas chromatography/mass spectrometry using heptafluorobutyrilation as derivatization method. AU - L M Thienpont AU - V I De Brabandere AU - D Stöckl AU - A P De Leenheer PY - 1996 DO - 10.1006/abio.1996.0073 UR - https://pubmed.ncbi.nlm.nih.gov/8714599/ ID - 8714599 ER -