title: Interpreting tryptophan depletion in tobacco smokers.
authors.forename: Ronald M
authors.initials: RM
authors.lastname: Salomon
mesh_terms: D003865:Major Depressive Disorder / Q000453:epidemiology / Q000378:metabolism*; D006801:Humans; D014029:Tobacco Use Disorder / Q000453:epidemiology / Q000378:metabolism*; D014364:Tryptophan / Q000097:blood / Q000134:cerebrospinal fluid / Q000172:deficiency*
chemical_list: D014364:Tryptophan