| Literature DB >> 22302781 |
Ahmed M Elsharkawy1, Stuart McPherson, Steven Masson, Alastair D Burt, Robert T Dawson, Mark Hudson.
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Year: 2012 PMID: 22302781 DOI: 10.1136/bmj.e468
Source DB: PubMed Journal: BMJ ISSN: 0959-8138