Fig. 2From: The role of HIF-1α-VEGF pathway in bronchiolitis obliterans after lung transplantationHistopathology of lung allografts (a and c) and isografts (b and d) in HE and Masson’s trichrome staining. The magnification of pictures was 200×. HE, hematoxylin-eosin staining; Allo left, allogenic left lung; Iso left, isogenic left lungBack to article page