[Retracted] Association of Pentachlorophenol with Fetal Risk of Prolonged Bradycardia: A Systematic Review and Meta-Analysis

Figure 2

Funnel plot of literature publication bias for PCP < 0.1 mg/L (a), PCP > 5 mg/L (b), PCP > 10 mg/L (c), and PCP > 5 mg/L (d) between two groups.

(a)

(b)

(c)

(d)