Dietary Vitamin A Intake and Circulating Vitamin A Concentrations and the Risk of Three Common Cancers in Women: A Meta-Analysis

Figure 3

Subgroup analysis of high dietary vitamin A or supplement intake and risk of breast, cervical, and ovarian cancer in women. (a) Subgroup analysis of tumor types; (b) subgroup analysis of study types; (c) subgroup analysis of dietary and supplements; (d) subgroup analysis of geographical location.

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