I Chalmers1, D G Altman. Show Affiliations » 1. UK Cochrane Centre, NHS Research and Development Programme, Oxford.
Abstract
Mesh: See more » InternetPublishingResearch/standardsResearch Design
Year: 1999 PMID: 9989737 DOI: 10.1016/S0140-6736(98)07618-1
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321