Li Q., Lv F., Li Y. et al. Subtraction CT angiography for evaluation of intracranial aneurysms: comparison with conventional CT angiography. Eur Radiol. 2009 Sept; 19(9):2261-2267
Li Q., Lv F., Li Y. et al. Subtraction CT angiography for evaluation of intracranial aneurysms: comparison with conventional CT angiography. Eur Radiol. 2009 Sept; 19(9):2261-2267