Fig. 1From: Associations of the circulating levels of cytokines with risk of amyotrophic lateral sclerosis: a Mendelian randomization studyAn overall design of the present study. Abbreviations: GWAS, genome-wide association study; MR, Mendelian randomization; MR-PRESSO, MR pleiotropy residual sum and outlier test; SNP, single nucleotide polymorphismBack to article page