Fig. 4

Begg’s funnel plot of standard error by Log odds ratio of the rs2073618 SNP in the OPG gene. No publication bias was obtained between the different studies (Indian, Italian and Tunisian)
Begg’s funnel plot of standard error by Log odds ratio of the rs2073618 SNP in the OPG gene. No publication bias was obtained between the different studies (Indian, Italian and Tunisian)