TY - RPRT TI - Trace element determination in vitamin E using ICP-MS. AU - Claudia A Ponce De León AU - Maria Montes Bayón AU - Joseph A Caruso PY - 2002 DO - 10.1007/s00216-002-1480-y UR - https://pubmed.ncbi.nlm.nih.gov/12324842/ ID - 12324842 ER -