Objective: To investigate the feasibility of prospective coronary computed tomography angiography(CTA)using tube voltage......

The objective of this study is to investigate image distortion and changes in the entrance surface dose (ESD)by integrat......

The effect of low voltage and low concentration contrast agent on image quality of coronary CT angiography,radiation dos......

目的对国际原子能机构(IAEA)/世界卫生组织(WHO)次级标准剂量学实验室乳腺低能X射线剂量仪校准系统RQR-M线质进行测定和优化，对线质......