title: Drugs and placebos: evaluation in a research ward setting.
mesh_terms: D000328:Adult; D001291:Attitude of Health Personnel; D002986:Clinical Trials as Topic; D003863:Depression / Q000188:drug therapy*; D005260:Female; D006801:Humans; D008875:Middle Aged; D010919:Placebos; D011369:Professional-Patient Relations; D011567:Psychiatric Department, Hospital; D012106:Research
chemical_list: D010919:Placebos