1. American Physical Therapy Association 2010 Direct access utilization survey executive summary. http://www.apta.org/DirectAccess/UtilizationSurvey/.
2. American Physical Therapy Association 2011 Today’s physical therapist: a comprehensive review of a 21st century health care profession. http://www.apta.org/uploadedFiles/APTAorg/Practice_and_Patient_Care/PR_and_Marketing/Market_to_Professionals/TodaysPhysicalTherapist.pdf.
3. American Physical Therapy Association 2015 Direct access: how it can change your practice. http://www.apta.org/DirectAccess/HowItCanChangeYourPractice.
4. American Physical Therapy Association 2016 History of the medicare therapy caps. http://www.apta.org/FederalIssues/TherapyCap/History/.