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pro vyhledávání: '"Kremer Nichols"'
Publikováno v:
Journal of Vascular and Interventional Radiology. 14:1553-1557
To objectively compare the echogenicity of several types of needles at clinically important angles of insonation.Four commercial needles (Echotip, Mini-Stick, Echo-Coat, Surflo) and a prototype dimpled needle were tested in a liver phantom at angles