title: Placebo problems in psychotherapy research. Social-psychological alternatives to chemotherapy concepts.
mesh_terms: D002986:Clinical Trials as Topic; D006801:Humans; D001523:Mental Disorders / Q000628:therapy*; D011593:Psychology, Social; D011613:Psychotherapy / Q000379:methods*; D011619:Psychotropic Drugs / Q000627:therapeutic use*
chemical_list: D011619:Psychotropic Drugs