TY - JOUR AU - Johanna Camara AU - Mark Lowenthal AU - Karen Phinney C2 - Analytical and Bioanalytical Chemistry DA - 2013-01-26 DO - https://doi.org/10.1007/s00216-013-6733-4 LA - en M1 - 405 PB - Analytical and Bioanalytical Chemistry PY - 2013 TI - Determination of fortified and endogenous folates in food-based Standard Reference Materials by liquid chromatography-tandem mass spectrometry ER -