title: Plasma neutral amino acids and food preferences: possible implications in normals and depressives.
mesh_terms: D000596:Amino Acids / Q000097:blood*; D003863:Depression / Q000209:etiology / Q000503:physiopathology*; D004032:Diet; D005518:Food Preferences; D006801:Humans; D012016:Reference Values; D012890:Sleep; D014364:Tryptophan / Q000097:blood
chemical_list: D000596:Amino Acids; D014364:Tryptophan