Objective: To investigate the relation of the X-ray manifestations and pathology of ascending-descending venography of the lower extremity venous disease.
目的：探讨下肢静脉病变顺、逆行造影X线表现与病理改变的关系。
2
The sorting will alternate between ascending, descending and no sorting for each mouse click.
对于每次的鼠标单击，排序将在升序、降序和无序之间轮流变换。
3
Column sorting is an option that allows users to sort columns in a view ascending, descending, or both.