Bias in meta-analysis detected by a simple, graphical test. Asymmetry detected in funnel plot was probably due to true heterogeneity.
Stuck
A E
AE
Rubenstein
L Z
LZ
Wieland
D
D
D000368:Aged; D006299:Health Services for the Aged / Q000706:statistics & numerical data; D006801:Humans; D015201:Meta-Analysis as Topic; D017594:Publication Bias; D012017:Referral and Consultation / Q000706:statistics & numerical data*; D006113:United Kingdom