1. US Preventive Services Task Force. Recommendation, rationale statements, evidence summaries, systematic evidence reviews [consultado 01/2003]. Disponible en: www.ahrq.gov/clinic/uspstfix.htm
2. ICSI Health Care Guideline. Preventive counseling and education [consultado 01/2003]. Disponible en: www.icsi.org
3. Interventions to implement prevention in primary care [Cochrane review];Hulscher,2003
4. Multiple risk factor interventions for primary prevention of coronary heart disease [Cochrane review];Ebrahim,2003
5. Physician advice for smoking cessation [Cochrane review];Silagy,2003