Rees, Jessica M B Factorial Mendelian randomization: using genetic variants to assess interactions. [electronic resource] - International journal of epidemiology 08 2020 - 1147-1158 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1464-3685 Standard No.: 10.1093/ije/dyz161 doi Subjects--Topical Terms: CausalityGenetic VariationHumansLeast-Squares AnalysisMendelian Randomization AnalysisRisk Factors