[Placebo-effect of aids for stopping of smoking].
D002986:Clinical Trials as Topic; D002523:Edible Grain; D005069:Evaluation Studies as Topic; D006801:Humans; D010919:Placebos; D010936:Plant Extracts / Q000627:therapeutic use; D012907:Smoking / Q000188:drug therapy*; D011795:Surveys and Questionnaires
D010919:Placebos; D010936:Plant Extracts
Zur Placebo-Wirkung von Raucherentwöhnungsmitteln.