TY - GEN AU - Keevil,Brian TI - Does the presence of 3-epi-25OHD3 affect the routine measurement of vitamin D using liquid chromatography tandem mass spectrometry? SN - 1437-4331 PY - 2012///0928 KW - 25-Hydroxyvitamin D 2 KW - chemistry KW - Chromatography, Liquid KW - standards KW - Clinical Chemistry Tests KW - Humans KW - Tandem Mass Spectrometry KW - Vitamin D KW - blood N1 - Publication Type: Letter UR - https://doi.org/10.1515/CCLM.2011.755 ER -