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. 2018 Feb 16;89(3):289–294. doi: 10.1080/17453674.2018.1438694

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© The Author(s). Published by Taylor & Francis on behalf of the Nordic Orthopedic Federation.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-Non-Commercial License (https://creativecommons.org/licenses/by/4.0)

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graphic file with name iort-89-289.F01.jpg — PRISMA study flow diagram.