Additional file 3: Supplementary Fig. 3. The SNP effects on iron status biomarkers and ER-negative breast cancer for Scatterplot. iron (a), transferrin (b), ferritin (c), and transferrin saturation (d). MR Egger, Mendelian randomization–Egger regression method; ER, estrogen receptor.
Funding
Guangxi Degree and Postgraduate Education Reform Project Key laboratory of early prevention and treatment of regional high-incidence tumors, ministry of edu-cation