1. Population analysis predicts a future critical shortage of general surgeons;Williams;Surgery,2008
2. The impending shortage and the estimated cost of training the future surgical workforce;Williams;Ann Surg,2009
3. The coming shortage of surgeons: why they are disappearing and what that means for our health. (The Praeger Series on Contemporary Health and Living);Williams,2009
4. Surgical deserts in the US: Places without surgeons;Belsky,2009
5. Patient Protection and Affordable Care Act. Available from http://democrats.senate.gov/pdfs/reform/patient-protection-affordable-care-act-as-passed.pdf.