Fig. 1
From: Coffee consumption and periodontitis: a Mendelian Randomization study
Flow chart of the MR-based study revealing causality from coffee consumption on periodontitis. SNP, single nucleotide polymorphism; MRC-IEU, MRC Integrative Epidemiology Unit; IVW, inverse variance weighted; MR-PRESSO, MR Pleiotropy RESidual Sum and Outlier