| 摘要 |
The invention provides methods for quantitatively analyzing a plurality of analytes in a sample. Also described are general and specific internal standards useful in such analysis. In particular embodiments, these standards are described as useful in liquid chromatography/mass spectroscopy systems, which are also described herein. Moreover, in certain embodiments, the quantification methods of the present invention are useful in increasing the precision and/or accuracy of multiple analyte quantification for analytes contained in a single sample mixture using known analyte derivatives simultaneously analyzed, and compared to the unknown analytes.
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