title: Tryptophan--new questions for an old amino acid.
authors: J B
authors: JB
authors: Houpt
mesh_terms: D004802:Eosinophilia / Q000139:chemically induced; D006801:Humans; D009135:Muscular Diseases / Q000139:chemically induced; D010146:Pain; D013577:Syndrome; D014364:Tryptophan / Q000009:adverse effects / Q000378:metabolism / Q000502:physiology*
chemical_list: D014364:Tryptophan