TY - JOUR AU - Mary Satterfield AU - B Nelson AU - Lorna Sniegoski AU - Adriana Hornikova AU - Nien-Fan Zhang AU - Christine Pfeiffer AU - Michael Welch C2 - Analytical and Bioanalytical Chemistry DA - 2008-10-16 14:10:10 LA - en PB - Analytical and Bioanalytical Chemistry PY - 2008 TI - SRM 1955, Homocysteine and Folate in Human Serum; Production of a New Standard Reference Material ER -