6Bernhard A, Herzog LarsHusmann, InesValenta, et al. De- terminants of vessel contrast in BM I - adapted low dose CT coronary angiography with prospective ECG- triggering [J]. In t J Cardiovasac Imaging, 2009, 25(6) : 625.
7Nakaura T, Awai K, Yauaga Y, et al. Contrast injection protocols for coronary computed tomography angiography us- in_g a 64 - detector scanner: comparison between patient weight - adjusted and fixed iodine- dose protocols[J]. Invest Radio, 2008, 43(7): 512.
8Bae K T. Test - bolus versus bolus - tracking techniques for CT angiographie timing [ J ]. Radiology, 2005, 236 ( 1 ) : 369.
9Budoff M J, Shinbane J S, Child J, et al. Multiphase con- trast medium injection for optimization of computed tomogra- phy coronary angiography [J]. Academic Radiology, 2006, 13 : 159.