TY - JOUR AU - Susan Tai AU - Michael Welch C2 - Analytical Chemistry DA - 2004-01-16 LA - en M1 - 76 PB - Analytical Chemistry PY - 2004 TI - Development and Evaluation of a Candidate Reference Method for the Determination of Total Cortisol in Human Serum Using Isotope Dilution Liquid Chromatography/Mass Spectrometry and Liquid Chromatography/Tandem Mass Spectrometry ER -