1. Topical Analgesics in the Management of Acute and Chronic Pain
Charles E. Argoff, MD 
Mayo Clinic Proceedings 
Volume 88, Issue 2, Pages (February 2013)
DOI: /j.mayocp
Copyright © 2013 Mayo Foundation for Medical Education and Research Terms and Conditions

2. Figure
Flowchart depicting the methods used to select articles for the systematic review.
Mayo Clinic Proceedings  , DOI: ( /j.mayocp )
Copyright © 2013 Mayo Foundation for Medical Education and Research Terms and Conditions