title: [Difficulties and possibilities in the clinical study of effectiveness of tranquilizing agents].
mesh_terms: D006801:Humans; D001523:Mental Disorders / Q000188:drug therapy; D011795:Surveys and Questionnaires; D013810:Therapeutic Equivalency; D014149:Tranquilizing Agents / Q000627:therapeutic use*
chemical_list: D014149:Tranquilizing Agents
vernacular_title: Teskoće i mogućnosti klinickog ispitivanja djelovanja trankvilizanata.