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2. American Academy of Physician Assistants http://www.aapa.org 2011
3. Society of Hospital Medicine http://www.hospitalmedicine.org 2011
4. Accreditation Review Commission on Education for the Physician Assistants Accreditation Standards http://www.arc-pa.org/acc_standards 2011
5. Non-physician providers in hospital medicine: not so fast;Parekh;J Hosp Med,2010