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. Author manuscript; available in PMC: 2012 May 1.
Published in final edited form as: Am J Ophthalmol. 2011 Feb 18;151(5):752–759.e2. doi: 10.1016/j.ajo.2010.11.008

FIGURE 2.

FIGURE 2

Photomicrograph showing immunohistochemistry results for phosphorylated Smad2 (pSmad2). Enlarged detail of keratoconus epithelium (×400 magnification) stained for pSmad2, showing a (*) perinuclear and (arrow) nuclear staining pattern.