Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) William Roth and Kimia Zadeh and Rushi Vekariya and Yong Ge and Mansour Mohamadzadeh,Tryptophan Metabolism and Gut-Brain Homeostasis,International Journal of Molecular Sciences,1422-0067,MDPI AG,2021-03-15,22,6,2973,https://cir.nii.ac.jp/crid/1360017286873000704,https://doi.org/10.3390/ijms22062973