title: Thought-stopping, pocket timers, and their combination, in the modification of smoking behaviour.
mesh_terms: D000328:Adult; D001521:Behavior Therapy / Q000379:methods*; D005069:Evaluation Studies as Topic; D006801:Humans; D008297:Male; D008875:Middle Aged; D012907:Smoking / Q000523:psychology / Q000628:therapy*; D013850:Thinking; D013997:Time Factors