| kwantitatief bepalen van massaconcentratie van benzoylecgonine in urine met gaschromatografie-massaspectrometrie (verrichting) |
| kwantitatief bepalen van massaconcentratie van benzoylecgonine in urine met gaschromatografie-massaspectrometrie |
| kwantitatieve bepaling van massaconcentratie van benzoylecgonine in urine met behulp van GC-MS
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| Quantitative measurement of benzoylecgonine in urine using GC-MS |
| Quantitative measurement of mass concentration of benzoylecgonine in urine specimen using gas chromatography mass spectrometry technique
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