TY - JOUR AU - Susan Tai AU - Michael Welch C2 - Analytical Chemistry DA - 2005-11-01 LA - en M1 - 77 PB - Analytical Chemistry PY - 2005 TI - Development and Evaluation of a Reference Measurement Procedure for the Determination of Estradiol-17 Beta in Human Serum Using Isotope-Dilution Liquid Chromatography-Tandem Mass Spectrometry ER -