1. AAHPM (American Academy of Hospice and Palliative Medicine) 2011 Mid-Career Pathway http://www.aahpm.org/Train/default/midcareerpath.html
2. AAMC (Association of American Medical Colleges) 2009 Recent Studies and Reports on Physician Shortages in the U.S
3. AHRQ (Agency for Healthcare Research and Quality) 2002 Healthcare Cost and Utilization Project (HCUP): Hospitalization in the United States, 2002 http://www.ahrq.gov/data/hcup/factbk6/factbk6c.htm
4. American Board of Hospice and Palliative Medicine 2006 ABMS Votes to Make Hospice and Palliative Medicine an ABMS Subspecialty