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. Author manuscript; available in PMC: 2020 Jul 26.
Published in final edited form as: J Am Acad Dermatol. 2009 Mar;60(3):412–418. doi: 10.1016/j.jaad.2008.10.023

Fig 2.

Fig 2

Evidence pyramid. Adapted with permission from State University of New York Downstate Medical Center Medical Research Library of Brooklyn, New York. Available at: http://library.downstate.edu/ebmdos/2100.htm. Accessed March 7, 2008.