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Title
Evaluation of genetic markers as instruments for Mendelian randomization studies on vitamin D.
Authors
Berry, Diane J; Vimaleswaran, Karani S; Whittaker, John C; Hingorani, Aroon D; Hyppönen, Elina
Abstract
Mendelian randomization (MR) studies use genetic variants mimicking the influence of a modifiable exposure to assess and quantify a causal association with an outcome, with an aim to avoid problems with confounding and reverse causality affecting other types of observational studies.