Commentary: Heterogeneity in meta-analysis should be expected and appropriately quantified.
Higgins
Julian P T
JP
MRC Biostatistics Unit, Institute of Public Health, Robinson Way, Cambridge CB2 0SR, UK. julian.higgins@mrc-bsu.cam.ac.uk
D003627:Data Interpretation, Statistical; D006801:Humans; D015201:Meta-Analysis as Topic; D015233:Models, Statistical