Fig. 2From: The effect of smoking on clinical presentation and expression of TLR-2 and CD34 in Oral lichen Planus patients: clinical and immunohistochemical studyPhotomicrographs of CD34immunostained sections in the mucosa of the a control group showing few blood vessels, b non-smoker LP group showing numerous and elongated blood vessels c smoker LP group showing numerous and rounded blood vessels. (CD34 × 400). (LP): Lichen planusBack to article page