The EPIC-Norfolk Study

 

Comparison of self-reported alcohol intake with the urinary excretion of 5-hydroxytryptophol:5-hydroxyindole-3-acetic acid, a biomarker of recent alcohol intake.

Kroke A, Klipstein-Grobusch K, Hoffmann K, Terbeck I, Boeing H, and Helander A

The British journal of nutrition. May 2001

(DOI : 10.1079/bjn2000289)

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