1. Failure of plastic surgical clinical trials to document compliance with international ethical guidelines: A systematic review 
M. Felix Freshwater, D.E. Garcia-Zalisnak, N.E. González-Ortiz 
Journal of Plastic, Reconstructive & Aesthetic Surgery 
Volume 66, Issue 1, Pages 3-8 (January 2013)
DOI: /j.bjps
Copyright © 2012 British Association of Plastic, Reconstructive and Aesthetic Surgeons Terms and Conditions

2. Figure 1
Flow chart of systematic review of PubMed database from July 2007 to July 2011.
Journal of Plastic, Reconstructive & Aesthetic Surgery  , 3-8DOI: ( /j.bjps )
Copyright © 2012 British Association of Plastic, Reconstructive and Aesthetic Surgeons Terms and Conditions

3. Figure 2
Documentation of ethics review by journal and level of evidence. Journal of Plastic Reconstructive and Aesthetic Surgery (JPRAS), Annals of Plastic Surgery (APS), Plastic and Reconstructive Surgery (PRS). Number of studies is shown within bars. There was significantly better documentation of ethical approval in level 2 studies than in level 3 for PRS alone (p = 0.007).
Journal of Plastic, Reconstructive & Aesthetic Surgery  , 3-8DOI: ( /j.bjps )
Copyright © 2012 British Association of Plastic, Reconstructive and Aesthetic Surgeons Terms and Conditions