The X-ray pulsar-based navigation (XNAV) is a feasible navigation method, which provides position information of the spacecraft. However, according to the theory of relativity, the time dilation ...

Objective Preclinical research suggests that the combined use of radiofrequency ablation and balloon dilation (CURB) could create stable interatrial communications without device implantation. This ...

Objective Bicuspid aortic valve (BAV) is associated with early valvular dysfunction and proximal aorta dilation with high heterogeneity. This study aimed to assess the determinants of these ...