. 2010 Oct 8;81(5):606–610. doi: 10.3109/17453674.2010.519165
Copyright: © Nordic Orthopaedic Federation
This is an open-access article distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the source is credited.
Flow-chart of the study.