title: Tryptophan metabolism. Results of studies in discoid lupus erythematosus.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D006801:Humans; D008179:Lupus Erythematosus, Discoid / Q000378:metabolism* / Q000652:urine; D012016:Reference Values; D014364:Tryptophan / Q000378:metabolism* / Q000494:pharmacology
chemical_list: D014364:Tryptophan