1. Therapist contact and group participation in the behavioral treatment of obesity;Abramson,1982
2. Hypertension control. Meeting the 1990 objectives for the nation;Admire;Public Health Rep,1984
3. Recruitment for the Coronary Irimary Prevention Trial;Agras;Clin Pharmacol Ther,1979
4. Recruitment for Clinical Trials: The Lipid Research Clinics Coronary Primary Prevention Trial experience. Its implications for future trials;Circulation,1982
5. Planning recruitment;Agras;Circulation,1982