Identification of Synthetic Urine by Analysis of Stable Carbon and Nitrogen Isotope Ratios and Comparison to Established GC-MS/MS and LC-MS/MS Analysis.

Drug Test Anal · 2026 · PMC13432729 · PMID 42312799

Europe PMC DOI

hedged sentence

0.0010

closest p · 0.0× alpha

0.0010

boldest claim

The sentences

highly significantp < 0.001actually significant

Statistical analyses revealed highly significant differences to both, synthetic and AU samples (both p < 0.001).

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