The smoking control research project: purpose, design, and initial results.
D003376:Counseling; D005260:Female; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D008393:Marriage; D010919:Placebos; D011581:Psychological Tests; D012907:Smoking; D014149:Tranquilizing Agents
D010919:Placebos; D014149:Tranquilizing Agents