TY - JOUR AU - Nathan Dodder AU - Susan Tai AU - Lorna Sniegoski AU - Michael Welch C2 - Analytical and Bioanalytical Chemistry DA - 2007-10-01 LA - en M1 - 53 PB - Analytical and Bioanalytical Chemistry PY - 2007 TI - Certification of Creatinine in a Human Serum Reference Material by GC-MS and LC-MS ER -