title: The modification of smoking behavior: a search for effective variables.
mesh_terms: D000328:Adult; D000704:Analysis of Variance; D001521:Behavior Therapy; D002986:Clinical Trials as Topic; D004644:Emotions; D005120:Extraversion, Psychological; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D010919:Placebos; D011615:Psychotherapy, Group; D012054:Reinforcement, Psychology; D000074606:Smoking Prevention; D013404:Suggestion
chemical_list: D010919:Placebos