Fig. 11From: Effect of platelet rich plasma injection on bone formation in the expanded mid-palatal suture in rabbits: a randomized controlled animal studyLM of CD34 immuno-staining of blood vessels in control group (a) and study group (b). Study group shows more intense immune-expression of CD34 positive endothelial cells. (× 400) (c): Optical density of CD34 immune-staining, (d): Vascular density. (* Statistically significant at p ≤ 0.05)Back to article page