title: Cessation of smoking.
mesh_terms: D001521:Behavior Therapy; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006801:Humans; D011343:Procaine / Q000627:therapeutic use; D012907:Smoking; D013831:Thiamine / Q000627:therapeutic use; D014029:Tobacco Use Disorder / Q000628:therapy*
chemical_list: D011343:Procaine; D013831:Thiamine