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Highly sensitive gas chromatographic—mass spectrometric screening method for the determination of picogram levels of fentanyl, sufentanil and alfentanil and their major metabolites...
Veröffentlicht in Journal of chromatography. B, Analytical technologies in the biomedical and life sciences
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Occupationally related exposures and reduced semen quality: a case-control study
Veröffentlicht in Fertility and sterility
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