Abstract
Kevin Martin. All Change for Volume 21. Ultrasound. 2013; 21 (1): 7–7
Article withdrawn by publisher.
This article was accidentally published twice in the online version of Volume 21 Issue 1, with different DOIs but the same page numbers. There was no duplication of the article in the printed version of Volume 21 Issue 1.
The incorrect version of the article with DOI: 10.1177/1742271X1302100101 has been replaced with this correction notice.
The correct and citable version of the article remains:
Kevin Martin. All Change for Volume 21. Ultrasound. 2013; 21 (1): 7–7. 10.1177/1742271X12473878
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