| Literature DB >> 22078674 |
Melanie Calvert1, Jane Blazeby, Dennis Revicki, David Moher, Michael Brundage.
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Year: 2011 PMID: 22078674 DOI: 10.1016/S0140-6736(11)61256-7
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321