Grey literature in systematic reviews: a cross-sectional study of the contribution of non-English reports, unpublished studies and dissertations to the results of meta-analyses in child-relevant reviews
Lisa Hartling,Robin Featherstone,Megan Nuspl…Volume:
17
Language:
english
Journal:
BMC Medical Research Methodology
DOI:
10.1186/s12874-017-0347-z
Date:
December, 2017
File:
PDF, 432 KB
english, 2017