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Abstract
Mesh: See more » Contract Services/economicsContract Services/statistics & numerical dataEnglandPrivate Sector/economicsPrivate Sector/statistics & numerical dataState Medicine/economicsState Medicine/statistics & numerical data
Year: 2014 PMID: 25498538 DOI: 10.1136/bmj.g7606
Source DB: PubMed Journal: BMJ ISSN: 0959-8138