title: [Drug side effect or negative placebo effect?].
authors: Bekhterev Psychoneurological Institute, St. Petersburg, Russia.
authors: I P
authors: IP
authors: Lapin
mesh_terms: D004348:Drug Labeling; D004358:Drug Therapy / Q000523:psychology*; D064420:Drug-Related Side Effects and Adverse Reactions; D006801:Humans; D015990:Placebo Effect