@article{6169223303964db7b0fb492e7e4e8890,
title = "Quantitative determination of methylphenidate in plasma by gas chromatography negative ion chemical ionisation mass spectrometry using o-(pentafluorobenzyloxycarbonyl)-benzoyl derivatives.",
author = "Hans-Joerg Leis and H Sch{\"u}tz and Werner Windischhofer",
year = "2011",
doi = "10.1007/s00216-011-5048-6",
language = "English",
journal = "Analytical and Bioanalytical Chemistry",
issn = "1618-2642",
publisher = "Springer Science and Business Media Deutschland GmbH",
}