TY - JOUR AU - Nathan Dodder AU - Susan Tai AU - Lorna Sniegoski AU - Michael Welch C2 - Clinical Chemistry DA - 2007-07-03 LA - en M1 - 53 PB - Clinical Chemistry PY - 2007 TI - Certification of Creatinine in a Human Serum Reference Material by Gas Chromatography/Mass Spectrometry and Liquid Chromatography/Mass Spectrometry ER -