title: [Methodical aspects of assembling groups for the study of psychotropic drugs].
mesh_terms: D004341:Drug Evaluation; D011619:Psychotropic Drugs; D011897:Random Allocation; D012107:Research Design
chemical_list: D011619:Psychotropic Drugs
vernacular_title: Metodyczne aspekty doboru grup chorych do badań leków psychotropowych.