The case of the misleading funnel plot.
Lau
Joseph
J
Institute for Clinical Research and Health Policy Studies, Tufts-New England Medical Center, Boston, MA 02111, USA. jlau1@tufts-nemc.org
Ioannidis
John P A
JP
Terrin
Norma
N
Schmid
Christopher H
CH
Olkin
Ingram
I
D015982:Bias; D019317:Evidence-Based Medicine; D015201:Meta-Analysis as Topic; D012680:Sensitivity and Specificity; D013223:Statistics as Topic / Q000379:methods*