title: Opioid receptor differentiation and Gilles de la Tourette syndrome.
mesh_terms: D001921:Brain / Q000503:physiopathology*; D006801:Humans; D011957:Receptors, Opioid / Q000502:physiology*; D005879:Tourette Syndrome / Q000209:etiology*
chemical_list: D011957:Receptors, Opioid