title: Plasma-tryptophan levels in depression.
mesh_terms: D000893:Anti-Inflammatory Agents / Q000627:therapeutic use; D001172:Arthritis, Rheumatoid / Q000188:drug therapy; D003863:Depression / Q000097:blood* / Q000175:diagnosis; D006801:Humans; D014364:Tryptophan / Q000097:blood*
chemical_list: D000893:Anti-Inflammatory Agents; D014364:Tryptophan