title: 14C-labeled tryptophan uptake and anxiety.
mesh_terms: D000328:Adult; D000818:Animals; D001007:Anxiety / Q000097:blood*; D002250:Carbon Radioisotopes; D002645:Chickens; D004912:Erythrocytes / Q000378:metabolism; D006801:Humans; D006854:Hydrocortisone / Q000097:blood; D008297:Male; D014364:Tryptophan / Q000097:blood*
chemical_list: D002250:Carbon Radioisotopes; D014364:Tryptophan; D006854:Hydrocortisone