1. Statistics with Confidence: Confidence Intervals and Statistical Guidelines;Altman,2000
2. Association of American Medical Colleges Task Force II on Clinical Research (2006) Promoting translational and clinical science: The critical role of medical schools and teaching hospitals. Available at www.amc.org.
3. The Ethical Dimensions of the Biological and Health Sciences;Bulger,2002
4. Council of State and Territorial Epidemiologists (2007) Competencies for epidemiologists. http://www.cste.org/competencies.asp (accessed November 2008).
5. Clinical Epidemiology: The Essentials;Feltcher,1996