title: Centre for Reviews and Dissemination databases: value, content, and developments.
authors.affiliation: Centre for Review and Dissemination, University of York, Heslington, York YO10 5DD, United Kingdom. ab42@york.ac.uk
authors.forename: Alison M
authors.initials: AM
authors.lastname: Booth
authors.forename: Kath E
authors.initials: KE
authors.lastname: Wright
authors.forename: Helen
authors.initials: H
authors.lastname: Outhwaite