Fig. 2From: Cell-free microRNA-21: biomarker for intracranial aneurysm rupturePrincipal component analysis (PCA). Red, control group; dark red, aneurysm without daughter aneurysm group; blue, aneurysm with daughter aneurysm group; gray, ruptured aneurysm group. The distribution of squares illustrates that miRNAs expression are various among different groupsBack to article page