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A method based on gas chromatography-mass spectrometry (GC-MS) was developed for the simultaneous determination of androgens and progestogen, such as dihydrotestosterone (DIHYDRO), testosterone (TEST), androstenedione (AND) and progesterone (PROG) in surface water and sediment. The method was developed by using microwave-assisted extraction (MAE), solid phase extraction (SPE) and derivatization procedure...
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