CR技术所产生的伪影与传统X线摄影所产生的伪影不同。成像板、读取装置、影像处理、激光相机以及操作者错误等均会产生伪影。如果C......

Objective: To propose a new method of classifying film-screen radiographic artefacts. Methodology: A prospective study w......

...

...

Cone beam computed tomography (CBCT) is the modern third dimension applied in the field of oral maxillofacial region. Wi......

分析1000例长程心电图,检出心律失常共1624例次,其中室速44例（4.4％）,在相同时间内,检查住院患者的常规心电图共18198例,检出室速仅17......