Tian-Y. Yu

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Maintaining hemodialysis grafts remains a difficult problem. Before the early 1990s, graft declotting was usually performed in the surgical suite. Percutaneous declotting has been evolving since the mid-1980s. Initially, a low-dose thrombolytic infusion of streptokinase through a single catheter was used. Crossing catheters with a higher-dose infusion of(More)
RATIONALE AND OBJECTIVES Two digital radiograph systems for stereotactic mammography, one using a lens to couple a Lanex Regular screen to a back-illuminated charge-coupled device (CCD) and one using a fiber-optic taper to couple a Min-R Regular-type screen to a front-illuminated CCD, were evaluated with respect to observer performance. METHODS A(More)
Electronically steered phased array radar was developed in mid-1960s mainly for military applications. It has the capability of instantaneously and dynamically controlling beam position on a pulse-to-pulse basis, which allows a single radar to perform multiple functions such as search, target tracking, and weapon controls. The recent-installed phased array(More)
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