1. Patient-Initiated Second Opinions: Systematic Review of Characteristics and Impact on Diagnosis, Treatment, and Satisfaction 
Velma L. Payne, PhD, Hardeep Singh, MD, MPH, Ashley N.D. Meyer, PhD, Lewis Levy, MD, David Harrison, MD, Mark L. Graber, MD 
Mayo Clinic Proceedings 
Volume 89, Issue 5, Pages (May 2014)
DOI: /j.mayocp
Copyright © 2014 Mayo Foundation for Medical Education and Research Terms and Conditions

2. Figure Data flow diagram.
Mayo Clinic Proceedings  , DOI: ( /j.mayocp )
Copyright © 2014 Mayo Foundation for Medical Education and Research Terms and Conditions