Altered KYN/TRP, Gln/Glu, and Met/methionine sulfoxide ratios in the blood plasma of medication-free patients with major depressive disorder - Umehara, H; Numata, S; Watanabe, S Y; Hatakeyama, Y; Kinoshita, M; Tomioka, Y; Nakahara, K; Nikawa, T; Ohmori, T (Sci Rep, 2017)