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. 2024 Jun 15;16(6):2631–2645. doi: 10.4251/wjgo.v16.i6.2631

Figure 1.

Figure 1

Overview of the Mendelian randomization rationale, design, and procedures. GSCAN: Genome-wide association study and Sequencing Consortium of Alcohol and Nicotine Use; GWAS: Genome-wide association study; IVW: Inverse variance weighted; LD: Linkage disequilibrium; MDD: Major depressive disorder; MR: Mendelian randomization; MRC-IEU: The Medical Research Council Integrative Epidemiology Unit; PGC: Psychiatric Genomics Consortium; SNP: Single nucleotide polymorphism; UVMR: Univariate Mendelian randomization.