TY - JOUR AU - Phinney, Karen AU - Mineva, Ekaterina AU - Zhang, Mindy AU - Rabinowitz, Daniel AU - Pfeiffer, Christine C2 - Analytical and Bioanalytical Chemistry DA - 2014-09-26 DO - https://doi.org/10.1007/s00216-014-8148-2 LA - en M1 - 407 PB - Analytical and Bioanalytical Chemistry PY - 2014 TI - An LC-MS/MS method for serum methylmalonic acid suitable for monitoring vitamin B12 status in population surveys compares well to the previous NHANES GC/MS method and to the NIST reference measurement procedure ER -