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Low Levels of Serum Tryptophan Underlie Skeletal Muscle Atrophy.
Ninomiya S, Nakamura N, Nakamura H, Mizutani T, Kaneda Y, Yamaguchi K, Matsumoto T, Kitagawa J, Kanemura N, Shiraki M, Hara T, Shimizu M, Tsurumi H. Ninomiya S, et al. Among authors: yamaguchi k. Nutrients. 2020 Apr 1;12(4):978. doi: 10.3390/nu12040978. Nutrients. 2020. PMID: 32244785 Free PMC article.