Development of a method for the determination of cocaine, cocaethylene and norcocaine in human breast milk using liquid phase microextraction and gas chromatography-mass spectrometry

- Breast milk is the most important source of protective nutrients for the infant.
- Measuring drugs in human milk is essential to calculate the absolute infant dose.
- A LPME/GC-MS method was validated for COC, NCOC and CE detection in breast milk.