'''Solid-state radiation detectors use crystalline semiconductors, such as silicon or germanium, to directly convert X-ray photons into electrical current. Such devices outperform other detection technologies in terms of both sensitivity and detection ...'

'''Extremely low dose CT coronary angiography can be used to measure cardiac function and has the potential for use when other commonly used examinations are limited, a preliminary study indicates. "CT coronary angiography provides a wealth of data ...'