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. 2016 Dec 20;24(1):35–39. doi: 10.1097/LBR.0000000000000326

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Copyright © 2016 The Author(s). Published by Wolters Kluwer Health, Inc. All rights reserved.

This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially. http://creativecommons.org/licenses/by-nc-nd/4.0/

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Curved-tip catheter in 45 degrees (A), 90 degrees (B), and 180 degrees (C) configurations. All rights reserved. Used with the permission of Medtronic. Copyright 2016 Medtronic.