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Background and aims
Phosphatidylethanol 16:0/18:1 (PEth) is a biomarker for alcohol intake. It has a half‐life of 7.9 days. Chronic alcohol consumption causes high PEth values. It can take weeks before PEth values fall below the decision limit for ‘alcohol abstinence’. Our aim was to validate whether alcohol abstinence can be determined based on two consecutive PEth results above the decision limit...
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