title: Reporting of effect direction and size in abstracts of systematic reviews.
authors: Centre for Research in Evidence-Based Practice, Bond University, Gold Coast, Australia. ebeller@bond.edu.au
authors: Elaine M
authors: EM
authors: Beller
authors: Paul P
authors: PP
authors: Glasziou
authors: Sally
authors: S
authors: Hopewell
authors: Douglas G
authors: DG
authors: Altman
mesh_terms: D000043:Abstracting and Indexing / Q000592:standards*; D003627:Data Interpretation, Statistical; D012107:Research Design; D012196:Review Literature as Topic