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Fig. 2 | BMC Medicine

Fig. 2

From: Risk factors for human papillomavirus infection, cervical intraepithelial neoplasia and cervical cancer: an umbrella review and follow-up Mendelian randomisation studies

Fig. 2

Distribution of studies across evidence grade for all exposures of either increased or decreased risk (y-axis) by exposure category (X-axis) from the main analysis (summary random effects for cohort studies only) and outcome a HPV infection; b cervical intraepithelial neoplasia; and c cervical cancer

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