Fig. 1From: Mendelian randomization analysis reveals fresh fruit intake as a protective factor for urolithiasisDiagrams showing the three assumptions of MR analyses and the study design overview. MR, Mendelian randomization; SNP, single-nucleotide polymorphism; GWAS, genome-wide association study; UKBB, UK biobank; MAF, minor allele frequency; IVW, inverse-variance weighted; MVMR, multivariable MRBack to article page