Li W, Fotinos A, Wu Q, Chen Y, Zhu Y, Baranov S, Tu Y, Zhou EW, Sinha B, Kristal BS, Wang X. N-acetyl-L-tryptophan delays disease onset and extends survival in an amyotrophic lateral sclerosis transgenic mouse model. Neurobiol Dis. 2015 Aug;80():93–103. doi: 10.1016/j.nbd.2015.05.002. PMID: 25986728.