title: Tryptophan intake and national character.
authors.affiliation: Psychology Program, Stockton State College, Pomona, NJ 08240-9988.
authors.forename: D
authors.initials: D
authors.lastname: Lester
mesh_terms: D001007:Anxiety / Q000523:psychology*; D003431:Cross-Cultural Comparison; D005120:Extraversion, Psychological; D006801:Humans; D012307:Risk Factors; D013405:Suicide / Q000523:psychology*; D014364:Tryptophan / Q000008:administration & dosage*
chemical_list: D014364:Tryptophan