Fig. 2
From: Association of internal smoking dose with blood DNA methylation in three racial/ethnic populations
Manhattan plots of the p values for the association for nicotine equivalents with DNA methylation, stratified by race/ethnicity. *Red line: Bonferroni corrected p value p = 1.48 × 10−7, blue line: p = 1 × 10−3. **Red dots indicate that the parameter estimate is in the positive direction and blue dots indicate parameter estimates that are in the negative direction