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The following table or figure may be downloaded to PowerPoint for personal use in teaching and presentations. This feature is available to all subscribers to the journal. You MUST read and follow the guidelines at Request to Reproduce AJR Content if you are distributing or using AJR content beyond academic use (limited distribution, non-revenue producing, or educational purposes). (Downloading may take up to 30 seconds.
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Fig. 1A. Original needle design. Photograph of original needle design
shows standard stock needle that is insulated (arrow) to distal tip.
Needle tip is not insulated.
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