@article{202101.0035, doi = {10.20944/preprints202101.0035.v1}, url = {https://doi.org/10.20944/preprints202101.0035.v1}, year = 2021, month = {January}, publisher = {Preprints}, author = {Christiaan de Leeuw and Jeanne Savage and Ioan Gabriel Bucur and Tom Heskes and Danielle Posthuma}, title = {Understanding the Assumptions Underlying Mendelian Randomization}, journal = {Preprints} }