Fig. 1From: Comparative analysis of gene expression profiles in normal hip human cartilage and cartilage from patients with necrosis of the femoral headImages of femoral heads from patients (male, 51Â years of age) with necrosis of the femoral head (NFH) (a, b) and healthy controls (male, 53Â years of age) (c, d) in the microarray experiment. Blue boxes denote the regions used for collection of specimens from the femoral headBack to article page