There are two types of economies of scale: internal and external economies of scale. Internal economies of scale are firm-specific—or caused internally—while external economies of scale occur ...

The most commonly used device was the third-generation AngioVac (72%), while the aspiration catheter access site was evenly split between the internal jugular vein and the femoral vein ... this is ...

Pulsatile tinnitus (PT) is a challenging diagnostic condition arising from various vascular, neoplastic, and systemic disorders. Non-invasive imaging is essential for identifying underlying causes ...

Using this, redundant information is gathered, particularly for delineation of venous anatomy. Potential drawbacks are the invasiveness of venography, costs, equipment unavailability, and need for ...

BOISE, Idaho (AP) — Idaho will begin using central veins deep in the groin, neck, chest or arm to execute prisoners by lethal injection if attempts to insert standard IV lines fail, the Idaho ...