Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Ratios of tryptophan (TRP) and its metabolite levels (mg/gCr): kynurenine (KYN), kynurenic acid (KYNA), and quinolinic acid (QA) in healthy subjects (white) and in patients with small intestinal bacterial overgrowth (grey); differences between groups were analyzed using the Mann–Whitney U test; n = 40, *** p < 0.001.
