Fig. 7
From: Efficacy and safety of erythropoietin for traumatic brain injury

Funnel plot for the detection of publication bias. The funnel plot of pooled studies that evaluated the effects of EPO on mortality appears to be symmetrical
From: Efficacy and safety of erythropoietin for traumatic brain injury

Funnel plot for the detection of publication bias. The funnel plot of pooled studies that evaluated the effects of EPO on mortality appears to be symmetrical