GodleeF. Milestones on the long road to knowledge.BMJ2007; 334(Suppl 1):S2–3.
2.
ThomaAIgnacyTALiYKCoroneousCJ, Reporting the level of evidence in the Canadian Journal of Plastic Surgery: Why is it important?Can J Plast Surg2012; 20:12–6.
3.
SullivanDChungKCEavesFFIIIRohrichRJ. The level of evidence pyramid: Indicating levels of evidence in Plastic and Reconstructive Surgery articles.Plast Reconstr Surg2011; 128: 311–4.
