Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Bungo Takashi and Yahata Kazuki and Izumi Tomofumi and Dodo Koh-Ichi and Yanagita Kouichi and Shiraishi Jun-ichi and Ohta Yoshiyuki and Fujita Masanori,Centrally Administered Tryptophan Suppresses Food Intake in Free Fed Chicks through the Serotonergic System,The Journal of Poultry Science,13467395,Japan Poultry Science Association,2008,45,3,215-219,https://cir.nii.ac.jp/crid/1390282680185027456,https://doi.org/10.2141/jpsa.45.215