@misc{846381, author = {P Ellerbe and C Phinney and Lorna Sniegoski and Michael Welch}, title = {Validation of the Conversion to New Instrumentation and the Modernization of Isotope Dilution Mass Spectrometric Definitive Methods for Organic Serum Analytes}, year = {1999}, number = {2104}, month = {1999-12-01 00:12:00}, publisher = {Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD}, language = {en}, }