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Background
The serotonin transporter (SERT) mRNA was previously reported to be a quantitative and pathophysiology‐based biomarker of heavy drinking in 5HTTLPR:LL genotype‐carriers treated with ondansetron. Here, we validated the potential use of SERT mRNA for quantitative prediction of recent alcohol consumption (in the absence of treatment) and compared it with the known biomarkers ethyl glucuronide...